Brood Sliver

Creature - Sliver 3/3, 4G (5)
Whenever a Sliver deals combat damage to a player, its controller may put a 1/1 colorless Sliver creature token onto the battlefield.
Within weeks, more slivers nested in Otaria than ever existed on Rath.
Illus. Ron Spears

Gatherer Card Rulings [Nov 2009]

• 10/4/2004: This card's controller controls the triggered ability, but the controller of the Sliver that deals damage to a player decides whether or not to put the token onto the battlefield under their control.

Format Legality	Legal in Vintage, Legacy, MTGO Classic Banned in Extended, Standard
Printings (2/10)	Premium Deck Series: Slivers (Rare) Legions (Rare)