Whenever you gain life, put a +1/+1 counter on Twinblade Paladin. As long as you have 25 or more life, Twinblade Paladin has double strike. (It deals both first-strike and regular combat damage.)
Near Mint - $1.30
Lightly Played - $1.20
Played - $0.90
Heavily Played - $0.80
Damaged - $0.70
Near Mint Non-English - $1.30
Lightly Played Non-English - $1.20
Played Non-English - $0.90
Heavily Played Non-English - $0.80
Damaged Non-English - $0.70