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
The Goose Mother XGULegendary Creature — Bird Hydra Flying The Goose Mother enters the battlefield with X +1/+1 counters on it. When The Goose Mother enters the battlefield, create half X Food tokens, rounded up. Whenever The Goose Mother attacks, you may sacrifice a Food. If you do, draw a card. 2/2
Rock Slide XRInstant Rock Slide deals X damage divided as you choose among any number of target attacking or blocking creatures without flying.
Grindclock 2Artifact {T}: Put a charge counter on Grindclock. {T}: Target player mills X cards, where X is the number of charge counters on Grindclock.
Hare Raising GSorcery — Adventure Target creature you control gains vigilance and gets +X/+X until end of turn, where X is the number of creatures you control.
Fomori Vault Land {T}: Add {C}. {3}, {T}, Discard a card: Look at the top X cards of your library, where X is the number of artifacts you control. Put one of those cards into your hand and the rest on the bottom of your library in a random order.
Saheeli's Directive XRRRSorcery Improvise (Each artifact you tap after you're done activating mana abilities pays for {1}.) Reveal the top X cards of your library. You may put any number of artifact cards with mana value X or less from among them onto the battlefield. Then put all cards revealed this way that weren't put onto the battlefield into your graveyard.
Death Kiss 5RCreature — Beholder Whenever a creature an opponent controls attacks one of your opponents, double its power until end of turn. {X}{X}{R}: Monstrosity X. (If this creature isn't monstrous, put X +1/+1 counters on it and it becomes monstrous.) When Death Kiss becomes monstrous, goad up to X target creatures your opponents control. 5/5
A-Briar Hydra 3GCreature — Plant Hydra Trample Domain — Whenever Briar Hydra deals combat damage to a player, put X +1/+1 counters on target creature you control, where X is the number of basic land types among lands you control. 5/5
Whammy Burn RInstant Shuffle your whammy deck, then reveal cards from the top of your whammy deck until you reveal an Island or choose to stop. Then, if no Islands were revealed this way, Whammy Burn deals X damage to any target, where X is the number of cards revealed. (A whammy deck consists of a Plains, Island, Swamp, Mountain, and Forest.)
Demonfire XRSorcery Demonfire deals X damage to any target. If a creature dealt damage this way would die this turn, exile it instead. Hellbent — If you have no cards in hand, this spell can't be countered and the damage can't be prevented.
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