Emilia, Dance Priestess of the Nekroz - Battles of Legend: Monster Mayhem (BLMM)

If you Ritual Summon exactly 1 "Nekroz" Ritual Monster with a card effect that requires use of monsters, this card you control can be used as the entire Tribute. You can only use each of the following effects of "Emilia, Dance Priestess of the Nekroz" once per turn. If you have a Warrior "Nekroz" monster in your field or GY: You can Special Summon this card from your hand. If this card is Normal or Special Summoned: You can add 1 "Nekroz" Ritual Monster or 1 "Nekroz" Spell from your Deck to your hand.