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
Tromokratis 5UULegendary Creature — Kraken Tromokratis has hexproof unless it's attacking or blocking. Tromokratis can't be blocked unless all creatures defending player controls block it. (If any creature that player controls doesn't block this creature, it can't be blocked.) 8/8
Vigorspore Wurm 5GCreature — Wurm Undergrowth — When Vigorspore Wurm enters the battlefield, target creature gains vigilance and gets +X/+X until end of turn, where X is the number of creature cards in your graveyard. Vigorspore Wurm can't be blocked by more than one creature. 6/4
Spin Engine 3Artifact Creature — Construct {R}: Target creature can't block Spin Engine this turn. 3/1
Kappa Cannoneer 5UArtifact Creature — Turtle Warrior Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.) Ward {4} Whenever an artifact enters the battlefield under your control, put a +1/+1 counter on Kappa Cannoneer and it can't be blocked this turn. 4/4
Leyline of Lifeforce 2GGEnchantment If Leyline of Lifeforce is in your opening hand, you may begin the game with it on the battlefield. Creature spells can't be countered.
Mirrodin Besieged 2UEnchantment As Mirrodin Besieged enters the battlefield, choose Mirran or Phyrexian. • Mirran — Whenever you cast an artifact spell, create a 1/1 colorless Myr artifact creature token. • Phyrexian — At the beginning of your end step, draw a card, then discard a card. Then if there are fifteen or more artifact cards in your graveyard, target opponent loses the game.
Phantasmal Fiend 3BCreature — Illusion {B}: Phantasmal Fiend gets +1/-1 until end of turn. {1}{U}: Switch Phantasmal Fiend's power and toughness until end of turn. 1/5
Plot Armor 2GEnchantment — Aura Enchant creature Enchanted creature gets +2/+2 and can't be blocked except by creatures with flavor text.
Manta Ray 1UUCreature — Fish Manta Ray can't attack unless defending player controls an Island. Manta Ray can't be blocked except by blue creatures. When you control no Islands, sacrifice Manta Ray. 3/3
Glassdust Hulk 3WUArtifact Creature — Golem Whenever another artifact enters the battlefield under your control, Glassdust Hulk gets +1/+1 until end of turn and can't be blocked this turn. Cycling {W/U} ({W/U}, Discard this card: Draw a card.) 3/4
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