At the beginning of your upkeep, put a +1/+1 counter on each creature you control if you control a creature with power 5 or greater. Then you gain 10 life if you control a creature with power 10 or greater. Then you win the game if you control a creature with power 20 or greater.
NM-Mint - $2.30
Lightly Played - $2.10
Moderately Played - $1.90
Heavily Played - $1.60
Damaged - $1.20
NM-Mint Non English - $2.30
Lightly Played Non English - $2.10
Moderately Played Non English - $1.90
Heavily Played Non English - $1.60
Damaged Non English - $1.20