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
Shanna, Purifying Blade GWULegendary Creature — Human Warrior Lifelink At the beginning of your end step, you may pay {X}. If you do, draw X cards. X can't be greater than the amount of life you gained this turn. 3/3
Hydra Broodmaster 4GGCreature — Hydra {X}{X}{G}: Monstrosity X. (If this creature isn't monstrous, put X +1/+1 counters on it and it becomes monstrous.) When Hydra Broodmaster becomes monstrous, create X X/X green Hydra creature tokens. 7/7
Pact of the Serpent 1BBSorcery Choose a creature type. Target player draws X cards and loses X life, where X is the number of creatures they control of the chosen type.
Doorkeeper 1UCreature — Homunculus Defender {2}{U}, {T}: Target player mills X cards, where X is the number of creatures you control with defender. 0/4
Dance of the Manse XWUSorcery Return up to X target artifact and/or non-Aura enchantment cards each with mana value X or less from your graveyard to the battlefield. If X is 6 or more, those permanents are 4/4 creatures in addition to their other types.
Debt to the Deathless XWWBBSorcery Each opponent loses two times X life. You gain life equal to the life lost this way.
Coral Colony 1UCreature — Wall Defender {1}{U}, {T}: Target player mills X cards, where X is the number of creatures you control with defender. (To mill a card, a player puts the top card of their library into their graveyard.) 1/4
Concert Kaboomist 1RRCreature — Goblin Artificer Trample When Concert Kaboomist enters the battlefield or is turned face up, it deals X damage to target opponent, where X is the number of noncreature spells you've cast since the beginning of your last turn. Disguise {R} 4/2
Basalt Ravager 3RCreature — Giant Wizard When Basalt Ravager enters the battlefield, it deals X damage to any target, where X is the greatest number of creatures you control that have a creature type in common. 4/2
Knollspine Invocation 1RREnchantment {X}, Discard a card with mana value X: Knollspine Invocation deals X damage to any target.
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