Leaf Pile

When Leaf Pile enters the battlefield , attach
it to target Doggo you control. That Doggo
gains Unblockable and if it has a power 4 or
greater , create a copy of it. All Doggos gain
+2/+2.
Pay {p/w} : Switch control of this
Artifact to another Doggo you control.
{t}:{w}{w}