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 - $3.00
Lightly Played - $2.40
Moderately Played - $2.10
Heavily Played - $1.80
Damaged - $1.50
Near Mint Spanish - $3.00
Lightly Played Spanish - $2.40
Moderately Played Spanish - $2.10
Heavily Played Spanish - $1.80
Damaged Spanish - $1.50