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 - $2.80
Lightly Played - $2.20
Moderately Played - $2.00
Heavily Played - $1.70
Damaged - $1.40
Near Mint Spanish - $2.80
Lightly Played Spanish - $2.20
Moderately Played Spanish - $2.00
Heavily Played Spanish - $1.70
Damaged Spanish - $1.40