The Fang of Critias (Blue) [DLCS-EN058] Ultra Rare 2015 Mega-Tins Set: 2017 Mega-Tins Mega Pack

Set: 2017 Mega-Tins Mega Pack Card type: Ritual/Spirit/Effect Monster Rarity: Rare Attack: 3000 Defense: 2500 You can Ritual Summon this card with "Shinobird's Calling"

Set: Fusion Enforcers Card type: Continuous Spell Rarity: Super Rare When a Fusion Monster(s) on the field is destroyed by battle or card effect and sent to the Graveyard: You can target 1 of the Fusion Materials in your Graveyard that was used for its Fusion Summon

Set: Spell Ruler Card type: Field Spell Rarity: Common Increase the ATK of all DARK monsters by 500 points and decreases their DEF by 400 points

also send the other excavated cards to the Graveyard

The Fang of Critias (Blue) [DLCS-EN058] Ultra Rare 2015 Mega-Tins Set: 2017 Mega-Tins Mega PackSet: Dragons of Legend: The Complete Series Card type: Normal Spell Rarity: Ultra Rare (This card is also always treated as "Legendary Dragon Critias".) Send 1 Trap from your hand or field to the GY, 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.