Channel

Sorcery, GG (2)
Until end of turn, any time you could activate a mana ability, you may pay 1 life. If you do, add {1} to your mana pool.¹
Illus. Richard Thomas

Gatherer Card Rulings [Nov 2009]

• 10/4/2004: You can't pay life you don't have. In other words, you can't Channel yourself below zero life.

Format Legality	Restricted in Vintage, MTGO Classic Banned in Legacy, Extended, Standard
Printings (6/19)	From the Vault: Exiled (Mythic Rare) Fourth Edition (Uncommon) Revised Edition (Uncommon) Unlimited Edition (Uncommon) Limited Edition Beta (Uncommon) → View All