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] Common](http://www.cardmerchanttakapuna.co.nz/cdn/shop/products/87d1fc57-6e65-5f7d-93e1-ef7afe2b7b77.png?v=1698554335&width=1445)