Sliver Overlord
Legendary Creature — Sliver Mutant, {W}{U}{B}{R}{G}
Oracle Text
{3}: Search your library for a Sliver card, reveal that card, put it into your hand, then shuffle.
{3}: Gain control of target Sliver. (This effect lasts indefinitely.)
Legendary Creature — Sliver Mutant, {W}{U}{B}{R}{G}