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
Elrond, Master of Healing 2GULegendary Creature — Elf Noble Whenever you scry, put a +1/+1 counter on each of up to X target creatures, where X is the number of cards looked at while scrying this way. Whenever a creature you control with a +1/+1 counter on it becomes the target of a spell or ability an opponent controls, you may draw a card. 4/4
Shivan Devastator XRCreature — Dragon Hydra Flying, haste Shivan Devastator enters the battlefield with X +1/+1 counters on it. 0/0
Strength-Testing Hammer 1Artifact — Equipment Whenever equipped creature attacks, roll a six-sided die. That creature gets +X/+0 until end of turn, where X is the result. Then if it has the greatest power or is tied for greatest power among creatures on the battlefield, draw a card. Equip {3}
Chthonian Nightmare 1BEnchantment When Chthonian Nightmare enters the battlefield, you get {E}{E}{E} (three energy counters). Pay X {E}, Sacrifice a creature, Return Chthonian Nightmare to its owner's hand: Return target creature card with mana value X from your graveyard to the battlefield. Activate only as a sorcery.
Charix, the Raging Isle 2UULegendary Creature — Leviathan Crab Spells your opponents cast that target Charix, the Raging Isle cost {2} more to cast. {3}: Charix gets +X/-X until end of turn, where X is the number of Islands you control. 0/17
Bubbling Cauldron 2Artifact {1}, {T}, Sacrifice a creature: You gain 4 life. {1}, {T}, Sacrifice a creature named Festering Newt: Each opponent loses 4 life. You gain life equal to the life lost this way.
Painiac 2RCreature — Brainiac At the beginning of your upkeep, roll a six-sided die. Painiac gets +X/+0 until end of turn, where X is the result. 0/3
Sheltering Word 1GInstant Target creature you control gains hexproof until end of turn. You gain life equal to that creature's toughness. (A creature with hexproof can't be the target of spells or abilities your opponents control.)
Disembowel XBInstant Destroy target creature with mana value X.
Vrestin, Menoptra Leader XGGWLegendary Creature — Alien Insect Scout Flying Vrestin enters the battlefield with X +1/+1 counters on it. When Vrestin enters the battlefield, create X 1/1 green and white Alien Insect creature tokens with flying. Whenever you attack with one or more Insects, put a +1/+1 counter on each of them. 0/0
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