At the beginning of your upkeep, flip a coin. If you lose the flip, sacrifice Planar Chaos. Whenever a player casts a spell, that player flips a coin. If they lose the flip, counter that spell.
Near Mint - $2.40
Lightly Played - $1.90
Moderately Played - $1.70
Heavily Played - $1.50
Damaged - $1.20
Near Mint Spanish - $2.40
Lightly Played Spanish - $1.90
Moderately Played Spanish - $1.70
Heavily Played Spanish - $1.50
Damaged Spanish - $1.20