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
Reasonable Doubt 1UInstant Counter target spell unless its controller pays {2}. Suspect up to one target creature. (A suspected creature has menace and can't block.)
Bontu the Glorified 2BLegendary Creature — God Menace, indestructible Bontu the Glorified can't attack or block unless a creature died under your control this turn. {1}{B}, Sacrifice another creature: Scry 1. Each opponent loses 1 life and you gain 1 life. 4/6
Skrelv's Hive 1WEnchantment At the beginning of your upkeep, you lose 1 life and create a 1/1 colorless Phyrexian Mite artifact creature token with toxic 1 and "This creature can't block." Corrupted — As long as an opponent has three or more poison counters, creatures you control with toxic have lifelink.
Farideh, Devil's Chosen 2URLegendary Creature — Tiefling Warlock Dark One's Own Luck — Whenever you roll one or more dice, Farideh, Devil's Chosen gains flying and menace until end of turn. If any of those results was 10 or higher, draw a card. 3/3
The Doctor's Childhood Barn Plane — Gallifrey Creatures enter the battlefield tapped. Whenever chaos ensues, for each opponent, choose up to one target nonland permanent that opponent controls. Untap those permanents. They phase out. They can't phase in for as long as The Doctor's Childhood Barn remains face up. When a player planeswalks, those permanents phase in.
Ambush 3RInstant Blocking creatures gain first strike until end of turn.
Primal Vigor 4GEnchantment If one or more tokens would be created, twice that many of those tokens are created instead. If one or more +1/+1 counters would be put on a creature, twice that many +1/+1 counters are put on that creature instead.
Tribute to the World Tree GGGEnchantment Whenever a creature enters the battlefield under your control, draw a card if its power is 3 or greater. Otherwise, put two +1/+1 counters on it.
Throw from the Saddle 1GSorcery Target creature you control gets +1/+1 until end of turn. Put a +1/+1 counter on it instead if it's a Mount. Then it deals damage equal to its power to target creature you don't control.
Erayo's Essence Legendary Enchantment Whenever an opponent casts their first spell each turn, counter that spell.
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