Opposition Agent [Commander Legends] Premium Card Collection negate that opponent's activated effect

negate that opponent's activated effect

Set: EX: Deoxys Type: Psychic Rarity: Promo Retreat cost: Colorless

Set: Sun & Moon: Cosmic Eclipse Type: Supporter Rarity: Ultra Rare

Set: History Pack 1 Finish: Regular Type: Equipment Subtype: Legs Rarity: Legendary Class: Wizard Instant - {r}

The student searches the world for meaning

Opposition Agent [Commander Legends] Premium Card Collection negate that opponent's activated effectSet: Commander Legends Type: Creature Human Rogue Rarity: Rare Cost: {2}{B} Flash You control your opponents while they're searching their libraries. While an opponent is searching their library, they exile each card they find. You may play those cards for as long as they remain exiled, and you may spend mana as though it were mana of any color to cast them.