Mana Leak

Instant, 1U (2)
Counter target spell unless its controller pays {3}.¹
"The fatal flaw in every plan is the assumption that you know more than your enemy." -Volrath
Illus. Christopher Rush

Format Legality	Legal in Vintage, Legacy, Extended, MTGO Classic Banned in Standard
Printings (6/26)	Ninth Edition (Common) Eighth Edition (Common) Arena League (Special) Magic Player Rewards (Special) Battle Royale Box Set (Special) Stronghold (Common)