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
Aqueous Form UEnchantment — Aura Enchant creature Enchanted creature can't be blocked. Whenever enchanted creature attacks, scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)
Fluros of Myra's Marvels 2UULegendary Creature — Merfolk Performer As Fluros of Myra's Marvels enters the battlefield, choose a number greater than 0. Whenever you cast a spell with power, toughness, or loyalty equal to the chosen number, target artifact or creature becomes an artifact creature with base power and toughness X/X until end of turn, where X is the chosen number. Partner 3/4
Riveteers Decoy 1GCreature — Human Warrior Riveteers Decoy must be blocked if able. Blitz {3}{G} (If you cast this spell for its blitz cost, it gains haste and "When this creature dies, draw a card." Sacrifice it at the beginning of the next end step.) 3/1
Gravebind BInstant Target creature can't be regenerated this turn. Draw a card at the beginning of the next turn's upkeep.
Calcite Snapper 1UUCreature — Turtle Shroud (This creature can't be the target of spells or abilities.) Landfall — Whenever a land enters the battlefield under your control, you may switch Calcite Snapper's power and toughness until end of turn. 1/4
Courageous Resolve 2WInstant Up to one target creature you control gains protection from each of your opponents until end of turn. Draw a card. (It can't be blocked, targeted, dealt damage, enchanted, or equipped by anything controlled by those players.) Fateful hour — If you have 5 or less life, you can't lose life this turn, you can't lose the game this turn, and your opponents can't win the game this turn.
Alora, Cheerful Thief 3UULegendary Creature — Halfling Rogue Whenever you attack, up to one target attacking creature can't be blocked this turn. At the beginning of the next end step, return that creature to its owner's hand. If you do, a creature of your choice an opponent controls perpetually gets -1/-0. 4/4
Jasmine Boreal of the Seven 1GWLegendary Creature — Human Druid {T}: Add {G}{W}. Spend this mana only to cast creature spells with no abilities. Creatures you control with no abilities can't be blocked by creatures with abilities. 2/4
Flash of Defiance 1RSorcery Green creatures and white creatures can't block this turn. Flashback—{1}{R}, Pay 3 life. (You may cast this card from your graveyard for its flashback cost. Then exile it.)
Elder Spawn 4UUUCreature — Spawn At the beginning of your upkeep, unless you sacrifice an Island, sacrifice Elder Spawn and it deals 6 damage to you. Elder Spawn can't be blocked by red creatures. 6/6
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