Orux, Praetor's Centurion

Instead of casting Orux, Praetor's Centurion for
its casting cost, you may sacrifice five
creatures instead. Rather than pay {2} for each
time you've cast this spell from the command
zone this game, you may sacrifice that many creatures instead.
Sacrifice a creature or land:
Orux gains +2/+2 until the end of the turn.