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
Eiganjo Uprising XRWSorcery Create X 2/2 white Samurai creature tokens with vigilance. They gain menace and haste until end of turn. Each opponent creates X minus one 2/2 white Samurai creature tokens with vigilance.
Laughing Jasper Flint 1BRLegendary Creature — Lizard Rogue Creatures you control but don't own are Mercenaries in addition to their other types. At the beginning of your upkeep, exile the top X cards of target opponent's library, where X is the number of outlaws you control. Until end of turn, you may cast spells from among those cards, and mana of any type can be spent to cast those spells. 4/3
Epicure of Blood 4BCreature — Vampire Whenever you gain life, each opponent loses 1 life. 4/4
Kuldotha Cackler 2RCreature — Phyrexian Hyena Trample Whenever Kuldotha Cackler attacks, it gets +X/+0 until end of turn, where X is the number of permanents you control with oil counters on them. 2/3
Impetuous Protege 2RCreature — Human Warrior Partner with Proud Mentor (When this creature enters the battlefield, target player may put Proud Mentor into their hand from their library, then shuffle.) Whenever Impetuous Protege attacks, it gets +X/+0 until end of turn, where X is the greatest power among tapped creatures your opponents control. 0/4
Frogmite 4Artifact Creature — Frog Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.) 2/2
Opaline Bracers 4Artifact — Equipment Sunburst (This enters the battlefield with a charge counter on it for each color of mana spent to cast it.) Equipped creature gets +X/+X, where X is the number of charge counters on Opaline Bracers. Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)
Ethereal Investigator 3UCreature — Spirit Flying When Ethereal Investigator enters the battlefield, investigate X times, where X is the number of opponents you have. (To investigate, create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.") Whenever you draw your second card each turn, create a 1/1 white Spirit creature token with flying. 2/3
Thassa's Oracle UUCreature — Merfolk Wizard When Thassa's Oracle enters the battlefield, look at the top X cards of your library, where X is your devotion to blue. Put up to one of them on top of your library and the rest on the bottom of your library in a random order. If X is greater than or equal to the number of cards in your library, you win the game. (Each {U} in the mana costs of permanents you control counts toward your devotion to blue.) 1/3
Toxic Deluge 2BSorcery As an additional cost to cast this spell, pay X life. All creatures get -X/-X until end of turn.
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