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 - $4.25
Lightly Played - $4.00
Moderately Played - $3.25
Heavily Played - $2.50
Damaged - $2.25
Near Mint Non-English - $4.25
Lightly Played Non-English - $4.00
Moderately Played Non-English - $3.25
Heavily Played Non-English - $2.50
Damaged Non-English - $2.25