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.
NM-Mint - $4.70
Lightly Played - $4.20
Moderately Played - $3.70
Heavily Played - $3.30
Damaged - $2.40
NM-Mint Non English - $4.70
Lightly Played Non English - $4.20
Moderately Played Non English - $3.70
Heavily Played Non English - $3.30
Damaged Non English - $2.40