Ectoplasmer [DR3-EN043] Super Rare Judge Promotional Cards or leaves the field because

or leaves the field because of an opponent's card effect while its owner controls it: You can target 1 card in your GY

you can negate the effect(s) of 1 face-up monster your opponent controls and have this card gain ATK equal to the negated monster's ATK

this card gains that effect until the End Phase

The other Synchro Material(s) cannot be Level 4

destroy all face-up monsters on your opponent''s side of the field

Ectoplasmer [DR3-EN043] Super Rare Judge Promotional Cards or leaves the field becauseSet: Dark Revelation Volume 3 Card type: Continuous Spell Rarity: Super Rare Once during each player's End Phase, the turn player Tributes 1 face up monster on their side of the field and inflicts damage to the opponent equal to half of the original ATK of the Tributed Monster.