The Fang of Critias

The Fang of Critias[ Legendary Dragon ]

(This card is also always treated as “Legendary Dragon Critias”.)
Send 1 Trap Card from your hand or your side of the field to the Graveyard, that is listed on a Fusion Monster that can only be Special Summoned with “The Fang of Critias” (if that card is Set, reveal it), then Special Summon that Fusion Monster from your Extra Deck. You can only activate 1 “The Fang of Critias” per turn.

The Claw of Hermos

The Claw of Hermos[ Legendary Dragon ]

(This card is also always treated as “Legendary Dragon Hermos”.)┬áSend, from your hand or your side of the field to the Graveyard, 1monster with the same Type as 1 Monster Type listed in the card textof a Fusion Monster that can only be Special Summoned with “The Claw of Hermos” (if that card is Set, reveal it), then Special Summon that Fusion Monster from your Extra Deck. You can only activate 1 “The Claw of Hermos” per turn.