Erron Black, Ageless Mercenary

Erron Black has first strike against enemies with charge counters on them. For each enemy killed with a charge counter on it by Erron Black put +5 toughness on him and create 1 treasure token for each turn the creature was alive.
{t}Roll 1 6 sided die, if it lands on either 5 or 6 Erron black destroys target creature with toughness equal to or less than his own.
"There's still the matter of our fee" -Erron Black