Card Codex

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17 May 2024: Card library updated.

Thassa's Rebuff

1U · Instant

Counter target spell unless its controller pays {X}, where X is your devotion to blue. (Each {U} in the mana costs of permanents you control counts toward your devotion to blue.)

Similar cards

Color identity:
NameManaTypeText
Heart of Bogardan 2RREnchantment Cumulative upkeep {2} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) When a player doesn't pay Heart of Bogardan's cumulative upkeep, Heart of Bogardan deals X damage to target player or planeswalker and each creature that player or that planeswalker's controller controls, where X is twice the number of age counters on Heart of Bogardan minus 2.
Iron Bully 3Artifact Creature — Golem Menace (This creature can't be blocked except by two or more creatures.) When Iron Bully enters the battlefield, put a +1/+1 counter on target creature. 1/1
Guile 3UUUCreature — Elemental Incarnation Guile can't be blocked except by three or more creatures. If a spell or ability you control would counter a spell, instead exile that spell and you may play that card without paying its mana cost. When Guile is put into a graveyard from anywhere, shuffle it into its owner's library. 6/6
Cryptborn Horror 1B/RB/RCreature — Horror Trample Cryptborn Horror enters the battlefield with X +1/+1 counters on it, where X is the total life lost by your opponents this turn. 0/0
Banshee 2BBCreature — Spirit {X}, {T}: Banshee deals half X damage, rounded down, to any target, and half X damage, rounded up, to you. 0/1
Satyr Grovedancer 1GCreature — Satyr Shaman When Satyr Grovedancer enters the battlefield, put a +1/+1 counter on target creature. 1/1
Dreamwinder 3UCreature — Serpent Dreamwinder can't attack unless defending player controls an Island. {U}, Sacrifice an Island: Target land becomes an Island until end of turn. 4/3
Roalesk, Prime Specimen 2GULegendary Creature — Human Mutant Flying Whenever Roalesk, Prime Specimen or another permanent you control is turned face up, you may pay {X}. If you do, if X is 1 or more, conjure a duplicate of a random creature card with mana value X into your hand. Cloak it. It gains "{G/U}: Turn this creature face up" for as long as it remains face down. Disguise {G}{U} 4/5
Essence Harvest 2BSorcery Target player loses X life and you gain X life, where X is the greatest power among creatures you control.
Skylasher 1GCreature — Insect Flash This spell can't be countered. Reach, protection from blue 2/2
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