Myr Servitor

Artifact Creature - Myr 1/1, 1 (1)
At the beginning of your upkeep, if Myr Servitor is on the battlefield, each player returns all cards named Myr Servitor from his or her graveyard to the battlefield.¹
The Krark Clan enjoys pulling them apart just to watch them reassemble one another.
Illus. John Matson

Gatherer Card Rulings [Nov 2009]

• 12/1/2004: The Myr Servitor that's the source of the ability must be on the battlefield when the ability resolves. If it is, all other Myr Servitor cards are returned from all graveyards to the battlefield under their owner's control. If it's not, no Myr Servitors are returned to the battlefield.

Format Legality	Legal in Vintage, Legacy, Extended, MTGO Classic Banned in Standard
Printings (1/8)	Fifth Dawn (Common)