Elevenon Twelvereth

First Strike
Banishment — {3}{u}, {t}: Exile target non-land permanent. It remains in exile as long as you control Elevenon Twelvereth.
Bladesinging — {1}{w}{u}: Creatures you control
get +1/+1 as long as you control Elevenon
Twelvereth. At the beginning of your end step, Elevenon Twelvereth phases out. Activate only
once each turn.