Upwelling

Enchantment, 3G (4)
Mana pools don't empty as steps, phases, or turns end.¹
Freyalise promised a dawn that would never end, a day of limitless life. As many dread her promise as revere it.
Illus. Chippy

Gatherer Card Rulings [Nov 2009]

• 10/1/2009: Players can keep mana in their pool indefinitely while this is on the battlefield, but once it leaves the battlefield, they have until the end of the current step (or phase) to use the mana before it disappears.

Format Legality	Legal in Vintage, Legacy, Extended Banned in Standard
Printings (2/15)	Tenth Edition (Rare) Scourge (Rare)