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
Induce Paranoia 2UUInstant Counter target spell. If {B} was spent to cast this spell, that spell's controller mills X cards, where X is the spell's mana value.
Goblin Dynamo 5RRCreature — Goblin Mutant {T}: Goblin Dynamo deals 1 damage to any target. {X}{R}, {T}, Sacrifice Goblin Dynamo: It deals X damage to any target. 4/4
Thunderous Might 1REnchantment — Aura Enchant creature Whenever enchanted creature attacks, it gets +X/+0 until end of turn, where X is your devotion to red. (Each {R} in the mana costs of permanents you control counts toward your devotion to red.)
Ludevic, Necrogenius UBLegendary Creature — Human Wizard Whenever Ludevic, Necrogenius enters the battlefield or attacks, mill a card. {X}{U}{U}{B}{B}, Exile X creature cards from your graveyard: Transform Ludevic. X can't be 0. Activate only as a sorcery. 2/3
Prismatic Geoscope 5Artifact Prismatic Geoscope enters the battlefield tapped. Domain — {T}: Add X mana in any combination of colors, where X is the number of basic land types among lands you control.
Mephit's Enthusiasm 1RSorcery Mephit's Enthusiasm deals 4 damage to target creature or planeswalker. If excess damage was dealt this way, note that excess damage, then you get a one-time boon with "When you cast a creature spell, it perpetually gets +X/+0, where X is the noted number."
It Came from Planet Glurg XXGULegendary Creature — Alien Ooze You may have It Came from Planet Glurg enter the battlefield as a copy of X different creatures on the battlefield. (It has their total power, total toughness, combined mana costs, all text boxes, names, art, and so on.) 0/0
Bronze Cudgels 1Artifact — Equipment {2}: Until end of turn, equipped creature gets +X/+0, where X is the number of times this ability has resolved this turn. Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)
Manifestation Sage G/UG/UG/UG/UCreature — Human Wizard When Manifestation Sage enters the battlefield, create a 0/0 green and blue Fractal creature token. Put X +1/+1 counters on it, where X is the number of cards in your hand. 2/2
Timberwatch Elf 2GCreature — Elf {T}: Target creature gets +X/+X until end of turn, where X is the number of Elves on the battlefield. 1/2
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