Card Codex

M:tG card similarity search

17 May 2024: Card library updated.

Reverse the Polarity

1UU · Instant

Choose one — • Counter all other spells. • Switch each creature's power and toughness until end of turn. • Creatures can't be blocked this turn.

Similar cards

Color identity:
NameManaTypeText
Arni Brokenbrow 2RLegendary Creature — Human Berserker Haste Boast — {1}: You may change Arni Brokenbrow's base power to 1 plus the greatest power among other creatures you control until end of turn. (Activate only if this creature attacked this turn and only once each turn.) 3/3
Tetsuo, Imperial Champion UBRLegendary Creature — Human Samurai Whenever Tetsuo, Imperial Champion attacks, if it's equipped, choose one — • Tetsuo deals damage equal to the highest mana value among Equipment attached to it to any target. • You may cast an instant or sorcery spell from your hand with mana value less than or equal to the highest mana value among Equipment attached to Tetsuo without paying its mana cost. 3/3
Omnibian 1GGUCreature — Frog {T}: Target creature becomes a Frog with base power and toughness 3/3 until end of turn. 3/3
Serpentine Ambush 1UInstant Until end of turn, target creature becomes a blue Serpent with base power and toughness 5/5.
Phase Dolphin 2UCreature — Elemental Whale Whenever Phase Dolphin attacks, another target attacking creature can't be blocked this turn. 1/4
Gaddock Teeg GWLegendary Creature — Kithkin Advisor Noncreature spells with mana value 4 or greater can't be cast. Noncreature spells with {X} in their mana costs can't be cast. 2/2
Seismic Elemental 3RRCreature — Elemental When Seismic Elemental enters the battlefield, creatures without flying can't block this turn. 4/4
Daggerclaw Imp 2BCreature — Imp Flying Daggerclaw Imp can't block. 3/1
Reckless Imp 2BCreature — Imp Flying Reckless Imp can't block. Dash {1}{B} (You may cast this spell for its dash cost. If you do, it gains haste, and it's returned from the battlefield to its owner's hand at the beginning of the next end step.) 2/2
Startling Development 1UInstant Until end of turn, target creature becomes a blue Serpent with base power and toughness 4/4. Cycling {1} ({1}, Discard this card: Draw a card.)
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