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
Gates Ablaze 2RSorcery Gates Ablaze deals X damage to each creature, where X is the number of Gates you control.
Hydroid Krasis XGUCreature — Jellyfish Hydra Beast When you cast this spell, you gain half X life and draw half X cards. Round down each time. Flying, trample Hydroid Krasis enters the battlefield with X +1/+1 counters on it. 0/0
Atalya, Samite Master 3WWLegendary Creature — Human Cleric {X}, {T}: Choose one — • Prevent the next X damage that would be dealt to target creature this turn. Spend only white mana on X. • You gain X life. Spend only white mana on X. 2/3
Niv-Mizzet, Guildpact WUBRGLegendary Creature — Dragon Avatar Flying, hexproof from multicolored Whenever Niv-Mizzet, Guildpact deals combat damage to a player, it deals X damage to any target, target player draws X cards, and you gain X life, where X is the number of different color pairs among permanents you control that are exactly two colors. 6/6
Blood-Chin Fanatic 1BBCreature — Orc Warrior {1}{B}, Sacrifice another Warrior creature: Target player loses X life and you gain X life, where X is the sacrificed creature's power. 3/3
Gray Merchant of Asphodel 3BBCreature — Zombie When Gray Merchant of Asphodel enters the battlefield, each opponent loses X life, where X is your devotion to black. You gain life equal to the life lost this way. (Each {B} in the mana costs of permanents you control counts toward your devotion to black.) 2/4
White Sun's Twilight XWWSorcery You gain X life. Create X 1/1 colorless Phyrexian Mite artifact creature tokens with toxic 1 and "This creature can't block." If X is 5 or more, destroy all other creatures. (Players dealt combat damage by a creature with toxic 1 also get a poison counter.)
Thromok the Insatiable 3RGLegendary Creature — Hellion Devour X, where X is the number of creatures devoured this way (As this enters the battlefield, you may sacrifice any number of creatures. This creature enters the battlefield with X +1/+1 counters on it for each of those creatures.) 0/0
Sanctum of the Sun Legendary Land (Transforms from Azor's Gateway.) {T}: Add X mana of any one color, where X is your life total.
Nyssa of Traken 3ULegendary Creature — Human Scientist You have no maximum hand size. Sonic Booster — Whenever Nyssa of Traken attacks, sacrifice X artifacts. When you sacrifice one or more artifacts this way, tap up to X target creatures and you draw X cards. Doctor's companion (You can have two commanders if the other is the Doctor.) 3/4
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