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
Muzzio, Visionary Architect 1UULegendary Creature — Human Artificer {3}{U}, {T}: Look at the top X cards of your library, where X is the highest mana value among artifacts you control. You may put an artifact card from among them onto the battlefield. Put the rest on the bottom of your library in any order. 1/3
Aether Burst 1UInstant Return up to X target creatures to their owners' hands, where X is one plus the number of cards named Aether Burst in all graveyards as you cast this spell.
Uncage the Menagerie XGGSorcery Search your library for up to X creature cards with different names that each have mana value X, reveal them, put them into your hand, then shuffle.
Aether Mutation 3GUSorcery Return target creature to its owner's hand. Create X 1/1 green Saproling creature tokens, where X is that creature's mana value.
Infernal Genesis 4BBEnchantment At the beginning of each player's upkeep, that player mills a card. Then they create X 1/1 black Minion creature tokens, where X is the milled card's mana value.
Ghoulcaller's Harvest BGSorcery Create X 2/2 black Zombie creature tokens with decayed, where X is half the number of creature cards in your graveyard, rounded up. (A creature with decayed can't block. When it attacks, sacrifice it at end of combat.) Flashback {3}{B}{G} (You may cast this card from your graveyard for its flashback cost. Then exile it.)
Great Defender WInstant Target creature gets +0/+X until end of turn, where X is its mana value.
Comet Storm XRRInstant Multikicker {1} (You may pay an additional {1} any number of times as you cast this spell.) Choose any target, then choose another target for each time this spell was kicked. Comet Storm deals X damage to each of them.
Long Rest XGGGSorcery Return X target cards with different mana values from your graveyard to your hand. If eight or more cards were returned to your hand this way, your life total becomes equal to your starting life total. Exile Long Rest.
Descent into Madness 3BBEnchantment At the beginning of your upkeep, put a despair counter on Descent into Madness, then each player exiles X permanents they control and/or cards from their hand, where X is the number of despair counters on Descent into Madness.
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