Cosmo Brain [MP19-EN089] Common Rex or 10 DARK Xyz Monster

or 10 DARK Xyz Monster you control with 2 or more Xyz Materials as the Xyz Material

from your side of the field to the Graveyard

Set: Star Pack 2013 Card type: Xyz/Effect Monster Rarity: Starfoil Rare Attack: 1900 Defense: 1000 2 Level 3 monsters Once per turn: You can detach 1 Xyz Material from this card

Set: Circuit Break Card type: Effect Monster Rarity: Short Print Attack: 400 Defense: 100 When this card is Normal Summoned: You can Special Summon 1 Level 3 or lower "Nimble" monster from your Deck or GY

Cosmo Brain [MP19-EN089] Common Rex or 10 DARK Xyz MonsterSet: 2019 Gold Sarcophagus Tin Mega Pack Card type: Effect Monster Rarity: Common Attack: 1500 Defense: 2450 Cannot be Normal Summoned Set. Must first be Special Summoned by sending 1 non Effect Monster from your hand or face up field to the GY. This card gains ATK equal to the Level of the monster sent to the GY this way x 200. You can Tribute 1 Effect Monster; Special Summon 1 Normal Monster from your hand or Deck. You can only use this effect of