When Cairnblade of the Ancients enters the battlefield, destroy target creature an opponent controls. Equipped creature gets +4/+2 and has vigilance. Equip {4}
Whenever a nontoken creature enters the battlefield under your control, if it wasn't cast from your hand, put a +1/+1 counter on that creature. Wander {2}{W}
Valley Caravan's power and toughness are each equal to the number of creatures you control. Wander {3}{W}{W} When Valley Caravan enters the battlefield, if it wandered, create a 1/1 white Human creature token.