Although you cannot play Spy Cards Online without JavaScript enabled, you can still browse the available modes as well as the cards for each mode.
Arbitrary Mode (v3)

by Ben Lubar
When the arbitrary time limit runs out, something arbitrary happens.
Latest Changes
- Fixed Another Boss going away too soon.
Cards
Spider3
- ATK: 2
- Summon Inichas
- Summon Jellyshroom
- Spider
Venus' Guardian4
- ATK: 2
- Per Venus' Bud: ATK+3
- Plant
Heavy Drone B-335
- DEF: 2
- Empower +2 (Bot)
- Bot
The Watcher5
- ATK: 1
- Summon Krawler
- Summon Warden
- Zombie
The Beast5
- ATK: 3
- If Kabbu: ATK+4
- Bug
ULTIMAX Tank7
- 8
- Bot
Mother Chomper4
- Lifesteal (2)
- Empower +2 (Chomper)
- Plant
- Chomper
Broodmother4
- ATK: 2
- Empower +2 (Card Midge)
- Bug
Zommoth4
- Empower +2 (Fungi)
- Fungi
- Zombie
Seedling King4
- Empower +2 (Seedling)
- Seedling
- Plant
Tidal Wyrm5
- ATK: 2
- Numb (∞)
- ???
Peacock Spider5
- Empower +3 (Spider)
- Spider
Devourer4
- ATK: 3
- VS Bug (1): ATK+3
- Plant
False Monarch5
- Empower +3 (Mothfly)
- Bug
- Mothfly
Maki6
- 6
- Bug
Wasp King7
- Summon 2 random Wasp Enemy cards
- Bug
The Everlasting King9
- ∞
- Plant
- Bug
Acolyte Aria3
- ATK: 1
- Coin (3): Summon Venus' Bud
- Bug
Mothiva2
- ATK: 2
- If Zasp: Heal 1
- Bug
Zasp3
- ATK: 3
- If Mothiva: ATK+2
- Bug
Ahoneynation5
- Coin (2): Summon Abomihoney
- ???
Astotheles5
- Empower +3 (Thug)
- Bug
- Thug
Dune Scorpion7
- 7
- Bug
Primal Weevil6
- ATK: 3
- Empower +2 (Card Weevil)
- Bug
Cross3
- ATK: 2
- If Poi: ATK+2
- Bug
Poi3
- DEF: 1
- If Cross: DEF+3
- Bug
General Ultimax3
- ATK: 1
- Empower +1 (Wasp)
- Bug
- Wasp
Cenn3
- ATK: 2
- If Pisci: Numb (1)
- Bug
Pisci3
- DEF: 2
- If Cenn: DEF+4
- Bug
Monsieur Scarlet3
- ATK: 3
- If ATK (7): Heal 1
- Bug
Kabbu2
- ATK: 1
- Pierce (3)
- Bug
Kali4
- DEF: 2
- If Kabbu: Heal 3
- Bug
Carmina4
- Turns into a random Mini-Boss card
- Bug
Riz3
- ATK: 1
- Setup (ATK+2)
- Bug
Kina4
- ATK: 2
- If Maki: ATK+3
- Bug
Yin3
- DEF: 1
- If Maki: Heal 2
- Bug
Stratos6
- ATK: 4
- Pierce (3)
- If Delilah: ATK+1
- Bug
Delilah3
- ATK: 2
- Lifesteal (2)
- If Stratos: DEF+1
- Bug
Dead Lander α4
- 3
- 1
- Dead Lander
Dead Lander β4
- ATK: 2
- Coin (1): ATK+2 or DEF+2
- Dead Lander
Dead Lander γ6
- 3
- 3
- Dead Lander
Seedling1
- 1
- Plant
- Seedling
Acornling2
- Coin (1): DEF+3
- Plant
- Seedling
Underling3
- 3
- Seedling
- Plant
Cactiling3
- Coin (1): DEF+4
- Seedling
- Plant
Flowerling1
- Lifesteal (1)
- Plant
- Seedling
Plumpling4
- Coin (1): DEF+6
- Plant
- Seedling
Golden Seedling9
- 9
- Seedling
- Plant
Zombiant1
- 1
- Fungi
- Zombie
Zombee3
- 3
- Fungi
- Zombie
Zombeetle5
- 5
- Fungi
- Zombie
Jellyshroom1
- 1
- Fungi
Bloatshroom4
- 4
- Fungi
Inichas1
- Coin (1): DEF+2
- Bug
Denmuki3
- ATK: 1
- Coin (1): Numb (1)
- Bug
Madesphy5
- Coin (2): DEF+3
- Bug
Numbnail2
- Numb (1)
- ???
Ironnail3
- DEF: 1
- Numb (1)
- ???
Midge1
- 1
- Bug
Chomper2
- 2
- Plant
- Chomper
Chomper Brute4
- 4
- Plant
- Chomper
Wild Chomper3
- ATK: 1
- Coin (1): Summon Chomper
- Plant
- Chomper
Weevil2
- ATK: 1
- VS Plant (1): ATK+2
- Bug
Psicorp2
- 2
- Bug
Arrow Worm3
- 3
- ???
Thief2
- 2
- Bug
- Thug
Bandit3
- 3
- Bug
- Thug
Burglar4
- 4
- Bug
- Thug
Ruffian6
- 6
- Bug
- Thug
Bee-Boop1
- Coin (1): ATK+1 or DEF+1
- Bot
Security Turret2
- 2
- Bot
Mender1
- If Bot (6): Heal 1
- Bot
Abomihoney4
- 4
- ???
Krawler2
- 2
- Bot
Warden3
- 3
- Bot
Haunted Cloth4
- 4
- ???
Leafbug Ninja3
- Unity (2, Leafbug)
- Bug
- Leafbug
Leafbug Archer2
- Unity (1, Leafbug)
- Bug
- Leafbug
Leafbug Clubber4
- ATK: 2
- If Leafbug (3): Numb (1)
- Bug
- Leafbug
Mantidfly4
- 4
- Bug
Jumping Spider3
- 3
- Spider
Mimic Spider5
- 5
- Spider
Diving Spider3
- 3
- Spider
Water Strider3
- 3
- Bug
Belostoss6
- 6
- Bug
Mothfly1
- 1
- Bug
- Mothfly
Mothfly Cluster3
- 3
- Bug
- Mothfly
Wasp Scout2
- 2
- Bug
- Wasp
Wasp Trooper4
- 4
- Wasp
- Bug
Wasp Bomber5
- ATK: 2
- Coin (1): ATK+1
- Coin (1): Numb (1)
- Bug
- Wasp
Wasp Driller6
- ATK: 4
- Pierce (2)
- Bug
- Wasp
Venus' Bud1
- Lifesteal (1)
- Plant
Arbitrary Time Limitx1
- Lose 1 per round
- Unless Arbitrary Time Limit (2): Summon a random Arbitrary card and Per More Arbitrary: Summon a random Arbitrary card
The Fallen1
- If Arbitrary Time Limit Enforcement Committee: Summon The Fallen as opponent
- Setup (Summon 2 Mender)
- Arbitrary
Miniboss Pair1
- If Arbitrary Time Limit Enforcement Committee: Summon Miniboss Pair as opponent
- Setup (If Mothiva: Summon Zasp)
- Setup (If Zasp: Summon Mothiva)
- Setup (If Cross: Summon Poi)
- Setup (If Poi: Summon Cross)
- Setup (If Cenn: Summon Pisci)
- Setup (If Pisci: Summon Cenn)
- Setup (If Kabbu: Summon Kali)
- Setup (If Kali: Summon Kabbu)
- Setup (If Stratos: Summon Delilah)
- Setup (If Delilah: Summon Stratos)
- Arbitrary
Draw Your Deck1
- If Arbitrary Time Limit Enforcement Committee: Summon Draw Your Deck as opponent
- Draw 99 Cards (ignoring limit)
- Setup (Discard 99 Cards)
- Arbitrary
Less Attacker1
- If Arbitrary Time Limit Enforcement Committee: Summon Less Attacker as opponent
- Setup (Enfeeble -1 (Attacker))
- Arbitrary
Gain 1 HP1

- If Arbitrary Time Limit Enforcement Committee: Summon Gain 1 HP as opponent
- Add 1 To Own Max HP
- Heal 1 (ignoring modifiers)
- Setup (ATK+0)
- Arbitrary
Nothing1
- If Arbitrary Time Limit Enforcement Committee: Summon Nothing as opponent
- Setup (ATK+0)
- Arbitrary
Empowerful1
- If Arbitrary Time Limit Enforcement Committee: Summon Empowerful as opponent
- Setup (Summon Heavy Drone B-33)
- Setup (Summon Mother Chomper)
- Setup (Summon Broodmother)
- Setup (Summon Zommoth)
- Setup (Summon Seedling King)
- Setup (Summon Peacock Spider)
- Setup (Summon False Monarch)
- Setup (Summon Astotheles)
- Setup (Summon Primal Weevil)
- Setup (Summon General Ultimax)
- Arbitrary
Another Boss1
- If Arbitrary Time Limit Enforcement Committee: Summon Another Boss as opponent
- Setup (Turns into Another Boss)
- Arbitrary
Where Did I Put That1
- If Arbitrary Time Limit Enforcement Committee: Summon Where Did I Put That as opponent
- Setup (Discard 1 Card)
- Setup (2 rounds) (Discard 1 Card)
- Setup (3 rounds) (Discard 1 Card)
- Setup (4 rounds) (Discard 1 Card)
- Setup (5 rounds) (Discard 1 Card)
- Arbitrary
Watched1

- If Arbitrary Time Limit Enforcement Committee: Summon Watched as opponent
- Setup (Per Enemy: Summon a random Dead Lander card as opponent)
- Arbitrary
Seedling Haven1
- If Arbitrary Time Limit Enforcement Committee: Summon Seedling Haven as opponent
- Setup (Numb Own Seedling (∞) On Success: Summon Golden Seedling)
- Arbitrary
Split Leadership1
- If Arbitrary Time Limit Enforcement Committee: Summon Split Leadership as opponent
- Setup (Numb Own Thug Enemy (∞) On Success: Summon Astotheles)
- Arbitrary
Magic Number 31
- If Arbitrary Time Limit Enforcement Committee: Summon Magic Number 3 as opponent
- Setup (Numb Own 3 TP (∞))
- Arbitrary
Janet1

- If Arbitrary Time Limit Enforcement Committee: Summon Janet as opponent
- Setup (Per Non-Token: Coin (1): Only Once: Summon The Everlasting King as opponent)
- Arbitrary
Metal Island Tax1
- If Arbitrary Time Limit Enforcement Committee: Summon Metal Island Tax as opponent
- Setup (Modify TP Cost (+1): Non-Token)
- Arbitrary
More Arbitrary1
- If Arbitrary Time Limit Enforcement Committee: Summon More Arbitrary as opponent
- Setup (Turns into More Arbitrary)
- Arbitrary
Anything Goes1

- If Arbitrary Time Limit Enforcement Committee: Summon Anything Goes as opponent
- Setup (TP+∞)
- Arbitrary
The Little Guy1

- If Arbitrary Time Limit Enforcement Committee: Summon The Little Guy as opponent
- Setup (ATK+0)
- Discard 99 Cards
- Summon To Hand (15): 1 TP Attacker
- Arbitrary
Heavily Armored1

- If Arbitrary Time Limit Enforcement Committee: Summon Heavily Armored as opponent
- Setup (DEF+5 for self and Fortify +2 (Non-Token))
- Arbitrary
Seeing Double1
- If Arbitrary Time Limit Enforcement Committee: Summon Seeing Double as opponent
- Setup (Per Zombiant: Summon Zombiant)
- Setup (Per Jellyshroom: Summon Jellyshroom)
- Setup (Per Spider: Summon Spider)
- Setup (Per Zasp: Summon Zasp)
- Setup (Per Cactiling: Summon Cactiling)
- Setup (Per Psicorp: Summon Psicorp)
- Setup (Per Thief: Summon Thief)
- Setup (Per Bandit: Summon Bandit)
- Setup (Per Inichas: Summon Inichas)
- Setup (Per Seedling: Summon Seedling)
- Setup (Per Numbnail: Summon Numbnail)
- Setup (Per Mothiva: Summon Mothiva)
- Setup (Per Acornling: Summon Acornling)
- Setup (Per Weevil: Summon Weevil)
- Setup (Per Venus' Bud: Summon Venus' Bud)
- Setup (Per Chomper: Summon Chomper)
- Setup (Per Acolyte Aria: Summon Acolyte Aria)
- Setup (Per Kabbu: Summon Kabbu)
- Setup (Per Venus' Guardian: Summon Venus' Guardian)
- Setup (Per Wasp Trooper: Summon Wasp Trooper)
- Setup (Per Wasp Bomber: Summon Wasp Bomber)
- Setup (Per Wasp Driller: Summon Wasp Driller)
- Setup (Per Wasp Scout: Summon Wasp Scout)
- Setup (Per Midge: Summon Midge)
- Setup (Per Underling: Summon Underling)
- Setup (Per Monsieur Scarlet: Summon Monsieur Scarlet)
- Setup (Per Golden Seedling: Summon Golden Seedling)
- Setup (Per Arrow Worm: Summon Arrow Worm)
- Setup (Per Carmina: Summon Carmina)
- Setup (Per Seedling King: Summon Seedling King)
- Setup (Per Broodmother: Summon Broodmother)
- Setup (Per Plumpling: Summon Plumpling)
- Setup (Per Flowerling: Summon Flowerling)
- Setup (Per Burglar: Summon Burglar)
- Setup (Per Astotheles: Summon Astotheles)
- Setup (Per Mother Chomper: Summon Mother Chomper)
- Setup (Per Ahoneynation: Summon Ahoneynation)
- Setup (Per Bee-Boop: Summon Bee-Boop)
- Setup (Per Security Turret: Summon Security Turret)
- Setup (Per Denmuki: Summon Denmuki)
- Setup (Per Heavy Drone B-33: Summon Heavy Drone B-33)
- Setup (Per Mender: Summon Mender)
- Setup (Per Abomihoney: Summon Abomihoney)
- Setup (Per Dune Scorpion: Summon Dune Scorpion)
- Setup (Per Tidal Wyrm: Summon Tidal Wyrm)
- Setup (Per Kali: Summon Kali)
- Setup (Per Zombee: Summon Zombee)
- Setup (Per Zombeetle: Summon Zombeetle)
- Setup (Per The Watcher: Summon The Watcher)
- Setup (Per Peacock Spider: Summon Peacock Spider)
- Setup (Per Bloatshroom: Summon Bloatshroom)
- Setup (Per Krawler: Summon Krawler)
- Setup (Per Haunted Cloth: Summon Haunted Cloth)
- Setup (Per Warden: Summon Warden)
- Setup (Per Jumping Spider: Summon Jumping Spider)
- Setup (Per Mimic Spider: Summon Mimic Spider)
- Setup (Per Leafbug Ninja: Summon Leafbug Ninja)
- Setup (Per Leafbug Archer: Summon Leafbug Archer)
- Setup (Per Leafbug Clubber: Summon Leafbug Clubber)
- Setup (Per Madesphy: Summon Madesphy)
- Setup (Per The Beast: Summon The Beast)
- Setup (Per Chomper Brute: Summon Chomper Brute)
- Setup (Per Mantidfly: Summon Mantidfly)
- Setup (Per General Ultimax: Summon General Ultimax)
- Setup (Per Wild Chomper: Summon Wild Chomper)
- Setup (Per Cross: Summon Cross)
- Setup (Per Poi: Summon Poi)
- Setup (Per Primal Weevil: Summon Primal Weevil)
- Setup (Per False Monarch: Summon False Monarch)
- Setup (Per Mothfly: Summon Mothfly)
- Setup (Per Mothfly Cluster: Summon Mothfly Cluster)
- Setup (Per Ironnail: Summon Ironnail)
- Setup (Per Belostoss: Summon Belostoss)
- Setup (Per Ruffian: Summon Ruffian)
- Setup (Per Water Strider: Summon Water Strider)
- Setup (Per Diving Spider: Summon Diving Spider)
- Setup (Per Cenn: Summon Cenn)
- Setup (Per Pisci: Summon Pisci)
- Setup (Per Dead Lander α: Summon Dead Lander α)
- Setup (Per Dead Lander β: Summon Dead Lander β)
- Setup (Per Dead Lander γ: Summon Dead Lander γ)
- Setup (Per Wasp King: Summon Wasp King)
- Setup (Per The Everlasting King: Summon The Everlasting King)
- Setup (Per Maki: Summon Maki)
- Setup (Per Kina: Summon Kina)
- Setup (Per Yin: Summon Yin)
- Setup (Per ULTIMAX Tank: Summon ULTIMAX Tank)
- Setup (Per Zommoth: Summon Zommoth)
- Setup (Per Riz: Summon Riz)
- Setup (Per Devourer: Summon Devourer)
- Setup (Per Stratos: Summon Stratos)
- Setup (Per Delilah: Summon Delilah)
- Arbitrary
Leafbugs Plus1
- If Arbitrary Time Limit Enforcement Committee: Summon Leafbugs Plus as opponent
- Setup (Only Once: Per Leafbug Archer: Except First Time: Empower +1 (Leafbug) and Per Leafbug Ninja: Except First Time: Empower +2 (Leafbug))
- Setup (2 rounds) (Only Once: Per Leafbug Archer: Except First Time: Empower +1 (Leafbug) and Per Leafbug Ninja: Except First Time: Empower +2 (Leafbug))
- Setup (3 rounds) (Only Once: Per Leafbug Archer: Except First Time: Empower +1 (Leafbug) and Per Leafbug Ninja: Except First Time: Empower +2 (Leafbug))
- Arbitrary
Hell1

- If Arbitrary Time Limit Enforcement Committee: Summon Hell as opponent
- Setup (Numb Own Card Midge (∞) On Success: Summon Midge and Per Broodmother: Empower +2 (Card Midge) and Numb Own Card False Monarch (∞) On Success: Summon False Monarch and Numb Own Card Mothfly Cluster (∞) On Success: Summon Mothfly Cluster and Numb Own Card Mothfly (∞) On Success: Summon Mothfly)
- Arbitrary