Symmetra, Elegant Architect

Ultimate: Teleporter - (Symmetra, Elegant Architect enters the battlefield with three charge counters on her. At the beginning of your upkeep, remove a charge counter, then, when the last is removed, you get an emblem with "Should a creature you control die, return it to the battlefield tapped." Emblems you control have maximum 6. Once an emblem leaves the battlefield, place two charge counters on Symmetra.)
{u}: Create a 2/1 Sentry Turret token creature, you may only control a maximum of six.