Classic Sixth Edition :: Power Sink

Eratta

Instant
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.

Other Releases

Fifth Edition
Foreign Black Border
Ice Age
Fourth Edition
Mirage
Limited Edition A...
Revised Edition
Intl. Collectors’...
Rivals Quick Star...
Summer Magic / Edgar
Vintage Masters
Limited Edition Beta
Beatdown Box Set
Tempest
Introductory Two-...
Pro Tour Collecto...
Collectors’ Edition
Unlimited Edition
Urza's Saga