
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.
Power Sink has 27 printings, first in Unlimited Edition (1993). EDHREC ranks it #9,749 among Commander cards. It appears most in Zimone, Infinite Analyst decks (3,169 on EDHREC). It has 3 official rulings.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.