Counter target spell unless its controller pays {X}. If that player doesn't, they tap all lands with mana abilities they control and lose all unspent mana.
Near Mint - $1.30
Lightly Played - $1.00
Moderately Played - $0.90
Heavily Played - $0.80
Damaged - $0.70
Near Mint Spanish - $1.30
Lightly Played Spanish - $1.00
Moderately Played Spanish - $0.90
Heavily Played Spanish - $0.80
Damaged Spanish - $0.70