Angel Dust

Double strike, reach
At the beginning of your upkeep, if Angel Dust
has a -1/-1 counter in it, remove a -1/-1 counter
from it. If you do, it gains vigilance until end of
turn.
Whenever Angel Dust blocks, it gains triple strike
until end of turn. (This creature deals first-strike, regular, and last-strike combat damage.)
{w}{p/b}{b}, Put a -1/-1 counter on Angel Dust: You
draw a card and gain 3 life. Angel Dust gets
+3/-1 until end of turn.