Undertale - Spy Cards Online

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Undertale (v29)

by Digs

Undertale based mode designed around a superboss mechanic

Cards

Deck Editor

Determinationx1

Passive

Rouxls Kaard

Unless Determination: Take ∞ Damage (ignoring modifiers)
Passive
But he's not even in undertale???

Frisk1

Heal 1
On Lose: Numb Own Card Determination (1)
DET: 3
On Numb: On Lose: Numb Own Card Determination (1)

Superboss

Chara1

Damage Opponent 1
Numb Own Card Determination (1)
DET: 3

Superboss

Sans2

ATK: 1 DEF: 1
On Win: Numb Card Determination (1)
On Lose: Numb Own Card Determination (1)
DET: 3
ATK: 1
DEF: 1
On Numb: On Lose: Numb Own Card Determination (1)

Superboss

Undyne the Undying10

ATK: ∞
Numb Own Card Determination (1)
DET: 3

Superboss

Asgore7

DET: 3
ATK: 8
Exile opponent's non-superboss boss or miniboss on field, On Failure: Numb own Card Determination
Exile From Opponent's Field (1): _non superboss On Failure: Exile From Opponent's Field (1): Mini-Boss On Failure: Numb Own Card Determination (1)

Superboss

Flowey4

Empower +2 (Soul)
Replace other boss and minibosses with the 6 souls
Det: 6

Superboss
Soul

Patience 3

ATK: 1
Numb Enemy (1)
On Lose: Exile Self
On Exile: Numb Own Card Determination (1)
On Numb: On Lose: Exile Self
On Numb: On Exile: Numb Own Card Determination (1)

Soul

Bravery3

ATK: 1
VS each Enemy: ATK+1
On Lose: Exile Self
On Exile: Numb Own Card Determination (1)
On Numb: On Lose: Exile Self
On Numb: On Exile: Numb Own Card Determination (1)

Soul

Integrity 3

ATK: 2
VS Mini-Boss or Boss (1): ATK+4
On Lose: Exile Self
On Exile: Numb Own Card Determination (1)
On Numb: On Lose: Exile Self
On Numb: On Exile: Numb Own Card Determination (1)

Soul

Perserverance3

ATK: 2
Lifesteal (1)
On Numb: On Exile: Numb Own Card Determination (1)
On Lose: Exile Self
On Exile: Numb Own Card Determination (1)
On Numb: On Lose: Exile Self

Soul

Kindness3

DEF: 4
On Lose: Exile Self
On Exile: Numb Own Card Determination (1)
On Numb: On Lose: Exile Self
On Numb: On Exile: Numb Own Card Determination (1)

Soul

Justice3

ATK: 3
Pierce (3)
On Lose: Exile Self
On Exile: Numb Own Card Determination (1)
On Numb: On Lose: Exile Self
On Numb: On Exile: Numb Own Card Determination (1)

Soul

Asriel3

Det: 4
DEF: 3
On Lose: Numb Own Determination and Upgrade
On Lose: Exile Self On Success: Setup (Add To Deck (1): Card Hyperdeath Asriel)
On Lose: Numb Own Card Determination (1)
On Numb: On Lose: Numb Own Card Determination (1)

Superboss

Hyperdeath Asriel5

ATK: 6
On Lose: Numb Own Determination and Upgrade
On Lose: Exile Self On Success: Setup (Add To Deck (1): Card Hyperdeath Asriel (phase 2))
On Lose: Numb Own Card Determination (1)
On Numb: On Lose: Numb Own Card Determination (1)

Superboss

Hyperdeath Asriel (phase 2)8

ATK: 10
On Lose: Numb Own Card Determination (1)
On Numb: On Lose: Numb Own Card Determination (1)

Superboss

Toriel4

ATK: 4
Lifesteal (1)
Unless VS HP (2): On Win: Heal Opponent 1

Papyrus4

ATK: 4
Prevent Numb Non-Token (2)

Undyne4

ATK: 8
DEF+4 for opponent

Alphys4

DEF: 3
Fortify +2 (Amalgamate)

Mettaton10

Muffet5

ATK: 1
Numb Enemy (2)

Annoying Dog4

Empower +2 (Dog)
If only 1 DET left, damage opponent on win, otherwise lifesteal
If Determination (2): Lifesteal (1)
Unless Determination (2): On Win: Damage Opponent 1

Napstablook2

Coin (1): ATK+5

Dogamy3

ATK: 3
If Dogressa: ATK+4

Dogressa3

ATK: 3
If Dogamy: Heal 1

Greater Dog3

ATK: 1
Unity (1, Dog)

Glyde10

ATK: 10
Added to deck in 10 turns

Mad Mew Mew5

ATK: 1
Numb (1)
Numb Effect (1)

Shyren3

DEF: 4
DEF+3 for opponent
Unless VS DEF (1): Heal 1

Mad Dummy0

Monster Kid3

DEF: 2
Pierce (1)
If ATK (5): Heal 1

Royal Guard 013

DEF: 3
Pierce (3)
If Royal Guard 02: DEF+4

Royal Guard 023

ATK: 3
If Royal Guard 01: ATK+4

So Sorry999

ATK: 2
Exiled turn 0, is summoned once in 10 turns

Reaper Bird7

Coin (7): ATK+1 or DEF+1
On Play: Modify TP Cost (-1): Card Alphys

Amalgamate

Endogeny3

ATK: 1
Coin (1): ATK+2 or Summon Endogeny (only once)

Dog
Amalgamate

Lemon Bread4

Coin (3): ATK+1 or DEF+1
Coin (2): ATK-1 for opponent or Pierce (1)

Amalgamate

Snowdrake's Mom3

ATK: 1
Coin (1): Numb (1) or Numb Effect (1)

Amalgamate

Bratty2

ATK: 1
Pierce (3)

Catty4

DEF: 3
If Bratty: Heal 2

Dummy0

Froggit2

Frog

Whimsun1

Loox2

DEF: 1
On Lose: Setup (ATK+2)

Migosp1

On Win: Setup (ATK+2)

Moldsmal2

ATK: 1
Pierce (2)
On Win: Setup (ATK+1)

Vegetoid1

Lifesteal (1)

Lesser Dog2

Doggo4

Jerry2

ATK: -1
Unity (1, Enemy)
Jerry

Gyftrot4

Numb (1)
Numb Effect (1)

Snowdrake2

Numb (1)

Chilldrake2

Numb Effect (1)

Ice Cap4

ATK: 1
Numb Enemy (1)

Aaron3

ATK: 2
Pierce (3)

Woshua2

DEF: 2
Pierce (2)

Moldbygg4

ATK: 2
Pierce (2)
On Win: Setup (ATK+3)

Vulkin2

Setup (ATK+2)
Has 2 ATK for numbs
ATK: 2
ATK: -2

Tsunderplane3

Setup (ATK+3)
Has 3 ATK for numbs
ATK: 3
ATK: -3

Pyrope4

Setup (ATK+4)
Has 4 ATK for numbs
ATK: 4
ATK: -4

Final Froggit3

Frog

Madjick5

Knight Knight8

Whimsalot9

ATK: 9
Empower +1 (Card Whimsun)

Astigmatism6

DEF: 4
On Lose: Setup (ATK+4)

Memoryhead2

Coin (2): ATK+1 or DEF+1

Amalgamate

Parsnik2

DEF: 1
Lifesteal (1)

Moldessa8

ATK: 6
On Win: Setup (ATK+4)

Migospel3

On Win: Setup (ATK+5)