Mirrored Depths

Plane — Karsus

Whenever a player casts a spell, that player flips a coin. If the player loses the flip, counter that spell.

Whenever you roll {CHAOS}, target player reveals the top card of their library. If it’s a nonland card, you may cast it without paying its mana cost.

Illustrated by Chippy

Standard
Frontier
Modern
Pauper
Legacy
Penny
Vintage
Duel Cmdr.
Commander