3 Level 4 "tellarknight" monsters.
During the turn you Xyz Summon this card, you cannot Special Summon monsters, except "tellarknight" monsters. If this card is Xyz Summoned: Return all other cards on the field to the hand. Once per turn: You can detach 1 Xyz Material from this card; send 1 random card from your opponent's hand to the Graveyard. If this card with Xyz Material is sent to the Graveyard: You can target 1 "tellarknight" monster in your Graveyard; Special Summon it.