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
Monstrous Onslaught 3GGSorcery Monstrous Onslaught deals X damage divided as you choose among any number of target creatures, where X is the greatest power among creatures you control as you cast this spell.
Death's Shadow BCreature — Avatar Death's Shadow gets -X/-X, where X is your life total. 13/13
Liquid Fire 4RRSorcery As an additional cost to cast this spell, choose a number between 0 and 5. Liquid Fire deals X damage to target creature and 5 minus X damage to that creature's controller, where X is the chosen number.
Sword of the Ages 6Artifact Sword of the Ages enters the battlefield tapped. {T}, Sacrifice Sword of the Ages and any number of creatures you control: Sword of the Ages deals X damage to any target, where X is the total power of the creatures sacrificed this way, then exile Sword of the Ages and those creature cards.
Lupine Harbingers 3GCreature — Wolf Trample, haste Lupine Harbingers enters the battlefield with X +1/+1 counters on it, where X is the number of turns you've begun since it was foretold. Foretell {4}{G}{G} 4/4
Clay Golem 4Artifact Creature — Golem {6}, Roll a d8: Monstrosity X, where X is the result. (If this creature isn't monstrous, put X +1/+1 counters on it and it becomes monstrous.) Berserk — When Clay Golem becomes monstrous, destroy target permanent. 4/4
Doppelgang XXXGUSorcery For each of X target permanents, create X tokens that are copies of that permanent.
Galvanic Bombardment RInstant Galvanic Bombardment deals X damage to target creature, where X is 2 plus the number of cards named Galvanic Bombardment in your graveyard.
Power Surge RREnchantment At the beginning of each player's upkeep, Power Surge deals X damage to that player, where X is the number of untapped lands they controlled at the beginning of this turn.
Numbing Jellyfish 3UHost Creature — Jellyfish When this creature enters the battlefield, roll a six-sided die. Target player mills X cards, where X is the result. 2/3
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