Maya's Last Shot

As an additional cost to cast this spell, sacrifice a creature you control.
Deal damage to a target creature or planeswalker
you don't control equal to twice the power of the sacrificed creature. Any excess damage remaining
may be assigned as you choose to up to 4 other creatures and/or planeswalkers you don't control.
Creatures you control gain indestructible or
hexproof until the end of the turn.