If this card is in your Graveyard: You can Fusion Summon 1 "D/D/D" Fusion Monster from your Extra Deck, by banishing Fusion Materials listed on it from your Graveyard, including this card. You can only use this effect of "D/D Necro Slime" once per turn.
![D/D Necro Slime (DOCS-EN012) [Dimension of Chaos]](http://fafnirshoard.ca/cdn/shop/files/107642_6795d7d2-4728-40a3-98e9-5e9fa82dc0d9.jpg?v=1782756755&width=1445)