Silvershaft Archer

First strike, lifelink
Whenever a creature dealt damage by Silvershaft Archer this turn dies, you gain 2 life, draw a card, and get {e}{e}.
{w}{w}, {t}, Pay any amount of {e}: Silvershaft Archer deals damage to target creature equal to
the amount of {e} you paid plus two.
"Arrow through the back? Already done."