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
Garenbrig Paladin 4GCreature — Giant Knight Adamant — If at least three green mana was spent to cast this spell, Garenbrig Paladin enters the battlefield with a +1/+1 counter on it. Garenbrig Paladin can't be blocked by creatures with power 2 or less. 4/4
Veil of Secrecy 1UInstant — Arcane Target creature gains shroud until end of turn and can't be blocked this turn. (A creature with shroud can't be the target of spells or abilities.) Splice onto Arcane—Return a blue creature you control to its owner's hand. (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)
Skyscythe Engulfer 5GCreature — Phyrexian Beast Reach, trample Skyscythe Engulfer can't be blocked by creatures with flying. 6/5
K-9, Mark I ULegendary Artifact Creature — Robot Dog Negative — As long as K-9, Mark I is untapped, other legendary creatures you control have ward {1}. Affirmative — {1}{U}, {T}: Target legendary creature can't be blocked this turn. Doctor's companion (You can have two commanders if the other is the Doctor.) 1/1
Hurr Jackal RCreature — Jackal {T}: Target creature can't be regenerated this turn. 1/1
Wilson, Subtle Bear 1GULegendary Creature — Bear Warrior Reach, trample Ward {2} Wilson, Subtle Bear can't be blocked. {1}{G}{U}, Exile Wilson from your graveyard: Target creature you control perpetually gains "This creature can't be blocked." Activate only as a sorcery. 3/3
Shape Stealer UUCreature — Shapeshifter Spirit Whenever Shape Stealer blocks or becomes blocked by a creature, change Shape Stealer's base power and toughness to that creature's power and toughness until end of turn. 1/1
Tome Anima 3UCreature — Spirit Tome Anima can't be blocked as long as you've drawn two or more cards this turn. 3/3
Wedding Invitation 2Artifact When Wedding Invitation enters the battlefield, draw a card. {T}, Sacrifice Wedding Invitation: Target creature can't be blocked this turn. If it's a Vampire, it also gains lifelink until end of turn.
Martha Jones 2ULegendary Creature — Human Cleric Woman Who Walked the Earth — When Martha Jones enters the battlefield, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.") Whenever you sacrifice a Clue, Martha Jones and up to one other target creature can't be blocked this turn. Doctor's companion (You can have two commanders if the other is the Doctor.) 3/2
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