Android 17, The Ruthless

Indestructible
When Android 17, The Ruthless enters the battlefield all opponent creatures get -2-2 until
end of turn, for each creature died this way,
you may pay {3} mana and exile that creature.
Partner with Android 18, The Fearless (When this creature enters the battlefield, target player may
put Android 18 into their hand
from their library and shuffle it. )