Thorn Lieutenant [Core Set 2019 Prerelease Promos] Estrid then you can Special Summon

then you can Special Summon 1 Level 4 or lower Spirit monster from your Deck

Set: Fists of the Gadgets Card type: Continuous Spell Rarity: Super Rare During your Main Phase

Negate the attack and remove from play the attack target monster until the next Standby Phase

attach that card to this card as Xyz Material

Thorn Lieutenant [Core Set 2019 Prerelease Promos] Estrid then you can Special SummonSet: Core Set 2019 Prerelease Promos Type: Creature Elf Warrior Rarity: Rare Cost: {1}{G} Whenever Thorn Lieutenant becomes the target of a spell or ability an opponent controls, create a 1 1 green Elf Warrior creature token. {5}{G}: Thorn Lieutenant gets +4 +4 until end of turn.