Optimus Prime, Hero (Shattered Glass) (BOT-027) - Transformers: (shatteredglass, convertdfc) (Borderless) Foil Set_XY - Steam Siege you may sacrifice any number

you may sacrifice any number of creatures

EX - Evolves from Duskull

any damage done to Infernape by attacks is increased by 30 (after applying Weakness and Resistance)

and this attack does 90 damage for each card you discarded in this way

Dive into Foundations

Optimus Prime, Hero (Shattered Glass) (BOT-027) - Transformers: (shatteredglass, convertdfc) (Borderless) Foil Set_XY - Steam Siege you may sacrifice any numberCard TypeLegendary Artifact Creature Robot Legendary Artifact Vehicle RarityMythic ArtistVolta Creation Legalities NOT LEGAL Standard NOT LEGAL Future NOT LEGAL Historic NOT LEGAL Timeless NOT LEGAL Gladiator NOT LEGAL Pioneer NOT LEGAL Modern LEGAL Legacy NOT LEGAL Pauper LEGAL Vintage NOT LEGAL Penny LEGAL Commander LEGAL Oathbreaker NOT LEGAL Standardbrawl NOT LEGAL Brawl NOT LEGAL Alchemy NOT LEGAL Pauper Commander LEGAL Duel NOT LEGAL Oldschool