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 Foil - $6.70
Lightly Played Foil - $6.30
Moderately Played Foil - $6.00
Heavily Played Foil - $5.30
Damaged Foil - $4.30
NM-Mint Foil Non English - $6.70
Lightly Played Foil Non English - $6.30
Moderately Played Foil Non English - $6.00
Heavily Played Foil Non English - $5.30
Damaged Foil Non English - $4.30