Senna, the Redeemer

First strike
Whenever an opponent creature dies in combat,
you may pay {2}, if you do it, get one Soul count.
Senna gets +X/+0, where X is the number of
Soul count. If X is 5 or more Senna also gains
life link and reach. If X is 10 or more Senna
also gains Duoble strike.
{w/b}: regenarete other creature