2 Fiend monsters with the same Attribute
If this card is Fusion Summoned: You can send 1 Fiend monster from your Deck to the GY. If this card is in your GY: You can banish 2 Level 6 or higher Fiend monsters with the same Attribute as each other from your GY, except Aerial Eater ; Special Summon this card. You can only use each effect of Aerial Eater once per turn.