Ke Qing, Driving Thunder

{b}{r} : Target creature must block this turn if
able, if this creature dies this turn, get an
experience counter
{b}{w} : Destroy target creature with toughness
less than or equal to your experience counters
{2}{r}{w}{b} : Get X life and put X +1/+1 counters
on a creature, X is half of your experience
counters, rounded down