Sleeper Agent [Urza's Saga] Oyster negate the effects of that

negate the effects of that opponent’s monster during the Battle Phase

Set: Asia Pacific Land Program Type: Basic Land — Island Rarity: Common ({T}: Add {U}

Set: Modern Masters 2015 Type: Tribal Sorcery — Eldrazi Rarity: Rare Cost: {7} Each player sacrifices all permanents they control that are one or more colors

Set: Dark Revelation Volume 1 Card type: Normal Spell Rarity: Common Select and activate 1 of the following effects: ● Increase your Life Points by 1200 points

Set: Dark Revelation Volume 3 Card type: Effect Monster Rarity: Common Attack: 1000 Defense: 800 Each time a Beast-Type monster(s) on the field is destroyed

Sleeper Agent [Urza's Saga] Oyster negate the effects of thatSet: Urza's Saga Type: Creature Phyrexian Minion Rarity: Rare Cost: {B} When Sleeper Agent enters the battlefield, target opponent gains control of it. At the beginning of your upkeep, Sleeper Agent deals 2 damage to you.