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 - $3.80
Lightly Played - $3.00
Moderately Played - $2.60
Heavily Played - $2.30
Damaged - $1.90
Near Mint Spanish - $3.80
Lightly Played Spanish - $3.00
Moderately Played Spanish - $2.60
Heavily Played Spanish - $2.30
Damaged Spanish - $1.90