Ozpin, Headmaster

Convoke (Your creatures can help cast this spell.
Each creature you tap while casting this spell pays for {1} or one mana of that creature's color)
Eminence - As long as Ozpin, Headmaster is in
the command zone or on the battlefield, lands
you control tap for any color of mana.
Defender
When Ozpin, Headmaster dies, you may put a creature from your hand onto the battlefield.