Arimaya, the Onyx Lady

When you cast this spell, sacrifice all untapped creatures you control. For each one sacrificed
this way, lose 3 life and create two 0/1 colorless
Human Peasant creature tokens named Servant.
When Amiza enters the battlefield, tap any
number of untapped creatures you control.
For each one tapped this way, create a colorless
Treasure artifact token with "{t}, Sacrifice this
artifact: Add one mana of any color."