Artifact, 3 (3)
Rare
You may activate abilities of creatures you control as though those creatures had haste.
{1}, {T}: Untap target creature.
Paradoxically, to tilt the massive jug for a sip, you'd need the energy of the giant's tonic.
Illus. Richard Sardinha

10/1/2007: Thousand-Year Elixir doesn't actually grant haste to creatures you control, nor does it let you attack with them as though they had haste.
Legal in Vintage (Type 1)
Legal in Legacy (Type 1.5)
Legal in Classic (MTGO)
Legal in Commander
Legal in Modern