Earthbound Immortal Ccarayhua [SOVR-EN024] Ultimate Rare Dinosaur you can Special Summon 1

you can Special Summon 1 monster with 500 or less ATK from your Graveyard in Attack Position

Then activate the appropriate effects

also their ATK and DEF becomes their original ATK and DEF

and Special Summon that Fusion Monster from your Fusion Deck

Earthbound Immortal Ccarayhua [SOVR-EN024] Ultimate Rare Dinosaur you can Special Summon 1Set: Stardust Overdrive Card type: Effect Monster Rarity: Ultimate Rare Attack: 2800 Defense: 1800 There can only be 1 face up "Earthbound Immortal" monster on the field. If there is no face up Field Spell Card on the field destroy this card. Your opponent cannot select this card as an attack target. This card can attack your opponent directly. When this card is destroyed by a card effect, except by its own effect, destroy all cards on the field.