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 - $350
Near Mint Spanish - $350
Lightly Played - $310
Lightly Played Spanish - $310
Moderately Played - $260
Moderately Played Spanish - $260
Heavily Played - $210
Heavily Played Spanish - $210
Damaged - $140
Damaged Spanish - $140