Gren, Tactician of Dark World [SDGU-EN008] Common Psychic you can banish this card

you can banish this card from your Graveyard as 1 of the monsters required for the Ritual Summon

You can only use each effect of "Vampire Retainer" once per turn

"Beta The Electromagnet Warrior"

then using 1 "Dante" monster you control as the Xyz Material

Set: Wing Raiders Card type: Effect Monster Rarity: Common Attack: 500 Defense: 1500 If you control a "Raidraptor" monster other than "Raidraptor - Fuzzy Lanius": You can Special Summon this card from your hand

Gren, Tactician of Dark World [SDGU-EN008] Common Psychic you can banish this cardSet: Structure Deck: Gates of the Underworld Card type: Effect Monster Rarity: Common Attack: 300 Defense: 500 If this card is discarded to the Graveyard by a card effect, Target 1 Spell Trap Card on the field; destroy that target.