Elemental HERO Dark Neos (LCGX-EN059) [Legendary Collection 2]

"Elemental HERO Neos" + "Neo-Spacian Dark Panther"
<br>Must be Special Summoned (from your Extra Deck) by shuffling the above cards you control into the Deck. (You do not use "Polymerization".) If this card is not already targeting a monster with its effect: You can target 1 face-up Effect Monster on the field; while you control this face-up card, that target's effect on the field is negated. During the End Phase. Shuffle this card into the Extra Deck.