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 - $3.800
Lightly Played - $3.000
Moderately Played - $2.700
Heavily Played - $2.300
Damaged - $1.900
Near Mint Spanish - $3.800
Lightly Played Spanish - $3.000
Moderately Played Spanish - $2.700
Heavily Played Spanish - $2.300
Damaged Spanish - $1.900