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 - $4.90
Lightly Played - $4.00
Moderately Played - $3.50
Heavily Played - $3.00
Damaged - $2.50
Near Mint Spanish - $4.90
Lightly Played Spanish - $4.00
Moderately Played Spanish - $3.50
Heavily Played Spanish - $3.00
Damaged Spanish - $2.50