Aron, the Alanian Prince

Aron, the Alanian Prince is a planeswalker in addition to other types while he is on the battlefield.
When Aron, the Alanian Prince enters the battlefield, put X loyalty counters on it, this creature gets +1/+1 for each loyalty counter.
Whenever Aron, the Alanian Prince deals combat damage to a player or planeswalker, put 1 loyalty counter on it.
-1: Look at the top four cards of your library. You may reveal an creature or planeswalker card from among them and put it into you hand.