Shaak Ti, Jedi Liason

Defender
When Shaak Ti enters the battlefield, amass
Troopers 3.
(Put 3 +1/+1 counters on an army you control.
It's a Trooper. If you don't control an army,
create a 0/0 colorless Trooper Army
creature token first.)
Meditate {r/w}{r/w} (Return this creature to it owner's
hand. Meditate only as a sorcery.)