Raephalos Unkillable

Indestructible, Trample, Menace
As an additional cost to summon Raephalos, sacrifice three creatures.
Raephalos cant be countered
Raephalos must always defend.
You have no maximum hand size for the rest of
the game.
When Raephalos is put into a graveyard from anywhere, its owner instead exiles Raephalos
and shuffles his or her graveyard into his or her library, he or she then draws five cards.