Kozilek, Butcher of Truth [Double Masters 2022] Demon Elder Necrodermis

Necrodermis

Megatron is no more … there is only Galvatron

Megatron deals damage equal to the sacrificed artifact's mana value to target creature

−3: Put target nonland permanent into its owner's library third from the top

Whenever Holga attacks

Kozilek, Butcher of Truth [Double Masters 2022] Demon Elder NecrodermisSet: Double Masters 2022 Type: Legendary Creature Eldrazi Rarity: Mythic Cost: {10} When you cast this spell, draw four cards. Annihilator 4 (Whenever this creature attacks, defending player sacrifices four permanents.) When Kozilek, Butcher of Truth is put into a graveyard from anywhere, its owner shuffles their graveyard into their library.