Power Sink

Instant, XU (1)

Counter target spell unless its controller pays {X}. If he or she doesn't, that player taps all lands with mana abilities he or she controls and empties his or her mana pool.

Illus. Mark Poole

Gatherer Card Rulings?, Legality?

• 10/4/2004: Does not increase the mana cost of the spell. It just requires a separate expenditure in order for it to succeed.
• 10/4/2004: When this spell resolves, you either pay X mana or let your lands become tapped. The lands that become tapped are not "tapped for mana". If you choose to pay, you may pay the X mana using whatever mana abilities you want to use.
• 3/1/2010: Only lands that actually have mana abilities will get tappped. This includes basic lands and lands with mana abilities printed on them, as well as lands which have been granted a mana ability by some effect.

• Legal in Vintage (Type 1)
• Legal in Legacy (Type 1.5)
• Legal in Classic (MTGO)
• Legal in Commander