Sliver Overlord [Scourge] Toys "R" Us Throwdown Promo or Extra Deck to this

or Extra Deck to this card as material

Set: 2017 Mega-Tins Mega Pack Card type: Effect Monster Rarity: Common Attack: 0 Defense: 2000 Cannot be used as an Xyz Material for an Xyz Summon

neither player can activate cards

change all monsters on the field to face-up Attack Position

Sliver Overlord [Scourge] Toys "R" Us Throwdown Promo or Extra Deck to thisSet: Scourge Type: Legendary Creature Sliver Mutant Rarity: Rare Cost: {W}{U}{B}{R}{G} {3}: Search your library for a Sliver card, reveal that card, put it into your hand, then shuffle. {3}: Gain control of target Sliver. (This effect lasts indefinitely.) The end of evolution.