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
Giant Ox 1WCreature — Ox Giant Ox crews Vehicles using its toughness rather than its power. 0/6
Hulking Goblin 1RCreature — Goblin Hulking Goblin can't block. 2/2
Drownyard Amalgam 4UCreature — Zombie Horror When Drownyard Amalgam enters the battlefield, target player mills three cards. (They put the top three cards of their library into their graveyard.) {2}{U}: Drownyard Amalgam can't be blocked this turn. 3/6
The Skullspore Nexus 6GGLegendary Artifact This spell costs {X} less to cast, where X is the greatest power among creatures you control. Whenever one or more nontoken creatures you control die, create a green Fungus Dinosaur creature token with base power and toughness each equal to the total power of those creatures. {2}, {T}: Double target creature's power until end of turn.
Kharis & The Beholder 1GGWWLegendary Creature — Dragon Eye Wizard Flying When Kharis & The Beholder enters the battlefield and at the beginning of your upkeep, create a 1/1 white Human creature token and make a charisma check. (Roll a d20.) • If the result plus the number of creatures you control is greater than 11, put a +1/+1 counter on each creature you control. • If the result is a natural 20, for each nonlegendary creature you control, create a token that's a copy of that creature. 1/20
Keeper of Keys 3UUCreature — Human Rogue Mutant When Keeper of Keys enters the battlefield, you become the monarch. At the beginning of your upkeep, if you're the monarch, creatures you control can't be blocked this turn. 4/4
Unstable Robot Dragon Stickers {TK}{TK} — {1}: Switch this creature's power and toughness until end of turn. {TK}{TK}{TK}{TK} — Whenever this creature attacks, it gets +5/+5 until end of turn. {TK}{TK} — 3/2 {TK}{TK}{TK} — 2/7
Sword Coast Sailor 1ULegendary Enchantment — Background Commander creatures you own have "Whenever this creature attacks a player, if no opponent has more life than that player, this creature can't be blocked this turn."
Blow Your House Down 2RSorcery Up to three target creatures can't block this turn. Destroy any of them that are Walls.
Hero of Oxid Ridge 2RRCreature — Human Knight Haste Battle cry (Whenever this creature attacks, each other attacking creature gets +1/+0 until end of turn.) Whenever Hero of Oxid Ridge attacks, creatures with power 1 or less can't block this turn. 4/2
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