Sleeper Agent

Creature - Minion 3/3, B (1)
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.¹
Illus. Randy Gallegos

Gatherer Card Rulings [Nov 2009]

• 10/4/2004: This card is a bit weird. When it enters the battlefield under your control, you give control of it to an opponent. After that it damages them each turn because the "you" on the card means its controller.

Format Legality	Legal in Vintage, Legacy, Extended Banned in Standard
Printings (2/15)	Tenth Edition (Rare) Urza's Saga (Rare)