D/D Necro Slime
[Fiend/Effect]
If this card is in your GY: You can Fusion Summon 1 "D/D/D" Fusion Monster from your Extra Deck, by banishing Fusion Materials mentioned on it from your GY, including this card. You can only use this effect of "D/D Necro Slime" once per turn.
ATK/300 DEF/300