Plains (Dogs) (547) [Secret Lair Drop Promos] Beholder gain control of target creature

gain control of target creature or planeswalker for as long as you control Dragonlord Silumgar

then sacrifice it unless you pay its upkeep cost for each age counter on it

Set: Innistrad: Double Feature Prerelease Promos Type: Enchantment Rarity: Rare Cost: {2}{B}{B} At the beginning of your upkeep

Set: Secret Lair Drop Series Type: Artifact — Equipment Rarity: Rare Cost: {0} Equipped creature has “{T}: Add one mana of any color

and suddenly it was a "threat

Plains (Dogs) (547) [Secret Lair Drop Promos] Beholder gain control of target creatureSet: Secret Lair Drop Promos Type: Basic Land Plains Rarity: Common ({T}: Add {W}.)