(Gain the next level as a sorcery to add its ability.)

When Ranger Class enters the battlefield, create a 2/2 green Wolf creature token.

1G: Level 2

Whenever you attack, put a +1/+1 counter on target attacking creature.

3G: Level 3

You may look at the top card of your library any time.

You may cast creature spells from the top of your library.