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
Choking Vines XGInstant Cast this spell only during the declare blockers step. X target attacking creatures become blocked. Choking Vines deals 1 damage to each of those creatures. (This spell works on creatures that can't be blocked.)
Kiora, Sovereign of the Deep 3GULegendary Creature — Merfolk Noble Vigilance, ward {3} Whenever you cast a Kraken, Leviathan, Octopus, or Serpent spell from your hand, look at the top X cards of your library, where X is that spell's mana value. You may cast a spell with mana value less than X from among them without paying its mana cost. Put the rest on the bottom of your library in a random order. 4/5
Ugin, the Spirit Dragon 8Legendary Planeswalker — Ugin [+2]: Ugin, the Spirit Dragon deals 3 damage to any target. [−X]: Exile each permanent with mana value X or less that's one or more colors. [−10]: You gain 7 life, draw seven cards, then put up to seven permanent cards from your hand onto the battlefield. Loyalty 7
Skanos, Blue Dragon Vassal 4GULegendary Creature — Dragon Ranger Flying Whenever Skanos, Blue Dragon Vassal attacks, another target attacking creature gains flying and gets +X/+0 until end of turn, where X is Skanos's power. 4/4
Evra, Halcyon Witness 4WWLegendary Creature — Avatar Lifelink {4}: Exchange your life total with Evra, Halcyon Witness's power. 4/4
Pariah's Shield 5Artifact — Equipment All damage that would be dealt to you is dealt to equipped creature instead. Equip {3}
Elderscale Wurm 4GGGCreature — Wurm Trample When Elderscale Wurm enters the battlefield, if your life total is less than 7, your life total becomes 7. As long as you have 7 or more life, damage that would reduce your life total to less than 7 reduces it to 7 instead. 7/7
Lithomancer's Focus WInstant Target creature gets +2/+2 until end of turn. Prevent all damage that would be dealt to that creature this turn by colorless sources.
Shadowbane 1WInstant The next time a source of your choice would deal damage to you and/or creatures you control this turn, prevent that damage. If damage from a black source is prevented this way, you gain that much life.
Alexi, Zephyr Mage 3UULegendary Creature — Human Spellshaper {X}{U}, {T}, Discard two cards: Return X target creatures to their owners' hands. 3/3
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