Aragorn, the lost king

First strike, Menace, Vigilance
{t}:Aragorn fights target creature.
Whenever Aragorn fights, heal all damage on him.
Whenever Aragorn deals combat damage to a creature, you may look at the top 3 cards of all libraries. Then, you may place any number of
them into exile and the rest back on top of their
owners libraries.
As long as you control 3 or more creatures, Aragorn must be blocked by at least one creature if able.