Unity [JUMP-EN006] Ultra Rare Continuous Spell if your other DARK Spellcaster

if your other DARK Spellcaster monster battles an opponent's monster (Quick Effect): You can send this card from your hand or face-up from your field to the GY

and only once that turn

add that card to your hand

If this card leaves the field

Special Summon it on the field in face-up Attack Position

Unity [JUMP-EN006] Ultra Rare Continuous Spell if your other DARK SpellcasterSet: Shonen Jump Magazine Promos Card type: Quick Play Spell Rarity: Ultra Rare Select 1 monster on your side of the field. The DEF of the selected monster becomes equal to the combined original DEF of all face up monsters on your side of the field, until the end of this turn.