O-Kagachi, First Star

Eminence— As long as O-Kagachi, First Star is in
the command zone or on the battlefield, Splice
onto Arcane cost {1} less to activate.
Flying. O-Kagachi enters the battlefield with a
divinity counter on it. It has indestructible as
long as it has a divinity counter on it.
Remove a divinity counter: each player chooses a creature and exiles the rest, draw a card for each
spirit exiled this way.