Ana, Versatile Sniper

Ultimate: Nano Boost - (Ana, Versatile Soldier 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, target creature you control gets +5/+5, first strike, trample and haste, then place three charge counters on Ana.)
{t}: Sleep Dart (Tap target creature.)
{t}: Biotic Grenade (Target creature gets +0/+2 until the end of turn)