Luke Skywalker, Jedi's Hope

Whenever Luke Skywalker, Jedi's Hope deals
combat damage to the player, exile that many
cards from the top of their library.
Players may play cards exiled with Luke
Skywalker, Jedi's Hope. They may spend colored
mana as though it were any color to do so.
Whenever an opponent play a card from exile,
put a +1/+1 counter on Luke Skywalker, Jedi's
Hope. You may draw a card.