R2D2 The Wise

R2D2's power is equal to the number
of Droids you control
When R2D2 enters the battlefield, search
your library for a Droid or Vehicle card.
Place that card onto the battlefield under
your control.
{3}{t}: Gain control of target artifact, that
artifact becomes a 2/2 Droid with "as long as you
control another Droid, Droids you control get
+1/+2