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.
Near Mint - $2.90
Lightly Played - $2.60
Played - $2.10
Heavily Played - $1.80
Damaged - $1.50
Near Mint Non-English - $2.90
Lightly Played Non-English - $2.60
Played Non-English - $2.10
Heavily Played Non-English - $1.80
Damaged Non-English - $1.50