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
Willowdusk, Essence Seer 1BGLegendary Creature — Dryad Druid {1}, {T}: Choose another target creature. Put a number of +1/+1 counters on it equal to the amount of life you gained this turn or the amount of life you lost this turn, whichever is greater. Activate only as a sorcery. 3/3
Boon of Boseiju 1GInstant Target creature gets +X/+X until end of turn, where X is the greatest mana value among permanents you control. Untap it.
Cloudkill 4BBSorcery All creatures get -X/-X until end of turn, where X is the greatest mana value of a commander you own on the battlefield or in the command zone.
Spell Rupture 1UInstant Counter target spell unless its controller pays {X}, where X is the greatest power among creatures you control.
Fog of War 2GInstant You gain 1 life for each creature on the battlefield. Prevent all combat damage that would be dealt this turn by creatures with power 3 or less.
Moonshaker Cavalry 5WWWCreature — Spirit Knight Flying When Moonshaker Cavalry enters the battlefield, creatures you control gain flying and get +X/+X until end of turn, where X is the number of creatures you control. 6/6
Dogsnail Engine Artifact — Contraption Whenever you crank Dogsnail Engine, target player gains life equal to the greatest power among creatures you control.
Steelbane Hydra XGGCreature — Turtle Hydra Steelbane Hydra enters the battlefield with X +1/+1 counters on it. {2}{G}, Remove a +1/+1 counter from Steelbane Hydra: Destroy target artifact or enchantment. 0/0
Cliffhaven Vampire 2WBCreature — Vampire Warrior Ally Flying Whenever you gain life, each opponent loses 1 life. 2/4
Kylox, Visionary Inventor 5URLegendary Creature — Viashino Artificer Menace, ward {2}, haste Whenever Kylox, Visionary Inventor attacks, sacrifice any number of other creatures, then exile the top X cards of your library, where X is their total power. You may cast any number of instant and/or sorcery spells from among the exiled cards without paying their mana costs. 4/4
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