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
Latulla, Keldon Overseer 3RRLegendary Creature — Human Spellshaper {X}{R}, {T}, Discard two cards: Latulla, Keldon Overseer deals X damage to any target. 3/3
Ballista Squad 3WCreature — Human Rebel {X}{W}, {T}: Ballista Squad deals X damage to target attacking or blocking creature. 2/2
Rakdos's Return XBRSorcery Rakdos's Return deals X damage to target opponent or planeswalker. That player or that planeswalker's controller discards X cards.
Ambergris, Agent of Destruction 2RRLegendary Creature — Dwarf Cleric Haste Whenever Ambergris, Agent of Destruction attacks, you may discard your hand and draw two cards. If you do, Ambergris deals X damage to each opponent, where X is the number of cards you've discarded this turn. 4/3
Jaheira's Respite 4GInstant Search your library for up to X basic land cards, where X is the number of creatures attacking you, put those cards onto the battlefield tapped, then shuffle. Prevent all combat damage that would be dealt this turn.
Now You See Me . . . WInstant Exile target creature you control, then return it to the battlefield under its owner's control with X +1/+1 counters on it, where X is the number of mirrors on walls you can see from your seat.
Kry Shield 2Artifact {2}, {T}: Prevent all damage that would be dealt this turn by target creature you control. That creature gets +0/+X until end of turn, where X is its mana value.
Serra's Hymn WEnchantment At the beginning of your upkeep, you may put a verse counter on Serra's Hymn. Sacrifice Serra's Hymn: Prevent the next X damage that would be dealt this turn to any number of targets, divided as you choose, where X is the number of verse counters on Serra's Hymn.
Scent of Cinder 1RSorcery Reveal any number of red cards in your hand. Scent of Cinder deals X damage to any target, where X is the number of cards revealed this way.
Geode Grotto Land — Cave (Transforms from Dowsing Device.) {T}: Add {R}. {2}{R}, {T}: Until end of turn, target creature gains haste and gets +X/+0, where X is the number of artifacts you control. Activate only as a sorcery.
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