Swell the Host

Ezuri, Claw of Progress

Whenever a creature you control with power 2 or less enters, you get an experience counter.
At the beginning of combat on your turn, put X +1/+1 counters on another target creature you control, where X is the number of experience counters you have.

Whenever a creature with power 2 or less enters the battlefield under your control, you get an experience counter.
At the beginning of combat on your turn, put X +1/+1 counters on another target creature you control, where X is the number of experience counters you have.

Whenever a creature with power 2 or less enters the battlefield under your control, you get an experience counter.At the beginning of combat on your turn, put X +1/+1 counters on another target creature you control, where X is the number of experience counters you have.