Card Codex

M:tG card similarity search

17 May 2024: Card library updated.

Reverse Polarity

WW · Instant

You gain X life, where X is twice the damage dealt to you so far this turn by artifacts.

Similar cards

Color identity:
NameManaTypeText
Lair of the Hydra Land If you control two or more other lands, Lair of the Hydra enters the battlefield tapped. {T}: Add {G}. {X}{G}: Until end of turn, Lair of the Hydra becomes an X/X green Hydra creature. It's still a land. X can't be 0.
Vivien's Stampede 4GGSorcery Each creature you control gains vigilance, trample, and melee until end of turn. (Whenever a creature with melee attacks, it gets +1/+1 until end of turn for each opponent you attacked this combat.) At the beginning of the next main phase this turn, draw a card for each player who was dealt combat damage this turn.
Anointer Priest 1WCreature — Human Cleric Whenever a creature token enters the battlefield under your control, you gain 1 life. Embalm {3}{W} ({3}{W}, Exile this card from your graveyard: Create a token that's a copy of it, except it's a white Zombie Human Cleric with no mana cost. Embalm only as a sorcery.) 1/3
Liliana, Waker of the Dead 2BBLegendary Planeswalker — Liliana [+1]: Each player discards a card. Each opponent who can't loses 3 life. [−3]: Target creature gets -X/-X until end of turn, where X is the number of cards in your graveyard. [−7]: You get an emblem with "At the beginning of combat on your turn, put target creature card from a graveyard onto the battlefield under your control. It gains haste." Loyalty 4
Skorpekh Lord 2BArtifact Creature — Necron Noble Menace Command Protocols — Other artifact creatures you control get +1/+0 and have menace. Unearth {2}{B} ({2}{B}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.) 3/2
Undying Evil BInstant Target creature gains undying until end of turn. (When it dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)
Shadowheart, Cleric of Trickery 1UBLegendary Creature — Human Elf Cleric Deathtouch At the beginning of your end step, Shadowheart, Cleric of Trickery deals 1 damage to each player. Whenever you lose life during your turn, draw a card. 4/4
Goblin Furrier 1RCreature — Goblin Warrior Prevent all damage that Goblin Furrier would deal to snow creatures. 2/2
Return to the Ranks XWWSorcery Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) Return X target creature cards with mana value 2 or less from your graveyard to the battlefield.
Sister Hospitaller 4WBCreature — Human Cleric Medicus Ministorum — When Sister Hospitaller enters the battlefield, return target creature card from your graveyard to the battlefield. You gain life equal to its mana value. 3/2
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