Ambrosia, Trusty Staff

When Ambrosia enters, create a 0/1 blue Spirit
token with flying and "Sacrifice this creature: Add
one mana of any color."

Equipped creature has prowess and "{t}: Create a
0/1 blue Spirit token with flying and 'Sacrifice this creature: Add one mana of any color.'"

Marcille had begun weaving her staff during her time as a student, in preparation for the day when she'd
go to the dungeon.