Goblin Trashmaster [Core Set 2019 Prerelease Promos] Phyrexian Skeleton and attach those monsters to

and attach those monsters to it as Xyz Materials

if "The Sanctuary in the Sky" is on the field

You can send "Umi" you control to the Graveyard to send all cards in both players' hands and on the field to the Graveyard

Set: Super Starter: V for Victory Card type: Normal Spell Rarity: Common Target 1 Warrior-Type monster in your Graveyard

Set: Astral Pack 3 Card type: Continuous Spell Rarity: Ultimate Rare When this card is activated: You can add 1 Level 4 or lower Beast-Warrior-Type monster from your Deck to your hand

Goblin Trashmaster [Core Set 2019 Prerelease Promos] Phyrexian Skeleton and attach those monsters toSet: Core Set 2019 Prerelease Promos Type: Creature Goblin Warrior Rarity: Rare Cost: {2}{R}{R} Other Goblins you control get +1 +1. Sacrifice a Goblin: Destroy target artifact. "Folks 'round here are too in love with their contraptions. Does them some good if we smash one every so often."