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.
NM-Mint - $0.40
Lightly Played - $0.40
Moderately Played - $0.30
Heavily Played - $0.30
Damaged - $0.30
NM-Mint Non English - $0.40
Lightly Played Non English - $0.40
Moderately Played Non English - $0.30
Heavily Played Non English - $0.30
Damaged Non English - $0.30