Amhashri, Vagabond's Waysign

{t}: Add {g}. Each opponent creates a 1/1 blue
Butterfly token with flying.
{t}, Sacrifice 3 Butterflies: Draw 3 cards.
{3}: Target player gains control of Amhashri,
Vagabond's Waysign. Any player may activate
this ability, but only as a sorcery.
At the beginning each opponent's upkeep, that
player creates a 1/1 blue Butterfly token with
flying.
It leads the weary traveler to peace.