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
Biotransference 2BBEnchantment Creatures you control are artifacts in addition to their other types. The same is true for creature spells you control and creature cards you own that aren't on the battlefield. Whenever you cast an artifact spell, you lose 1 life and create a 2/2 black Necron Warrior artifact creature token.
Dwarven Pony RCreature — Horse {1}{R}, {T}: Target Dwarf creature gains mountainwalk until end of turn. (It can't be blocked as long as defending player controls a Mountain.) 1/1
Bloodrite Invoker 2BCreature — Vampire Shaman {8}: Target player loses 3 life and you gain 3 life. 3/1
Kenku Artificer 2UCreature — Bird Artificer Homunculus Servant — When Kenku Artificer enters the battlefield, put three +1/+1 counters on up to one target noncreature artifact. That artifact becomes a 0/0 Homunculus artifact creature with flying. 1/1
Geometric Nexus 2Artifact Whenever a player casts an instant or sorcery spell, put a number of charge counters on Geometric Nexus equal to that spell's mana value. {6}, {T}, Remove all charge counters from Geometric Nexus: Create a 0/0 green and blue Fractal creature token. Put X +1/+1 counters on it, where X is the number of charge counters removed this way.
Rest for the Weary 1WInstant Target player gains 4 life. Landfall — If you had a land enter the battlefield under your control this turn, that player gains 8 life instead.
Erratic Cyclops 3RCreature — Cyclops Shaman Trample Whenever you cast an instant or sorcery spell, Erratic Cyclops gets +X/+0 until end of turn, where X is that spell's mana value. 0/8
Heal WInstant Prevent the next 1 damage that would be dealt to any target this turn. Draw a card at the beginning of the next turn's upkeep.
Swift Maneuver 1WInstant Prevent the next 2 damage that would be dealt to any target this turn. Draw a card at the beginning of the next turn's upkeep.
Aggravate 3RRInstant Aggravate deals 1 damage to each creature target player controls. Each creature dealt damage this way attacks this turn if able.
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