Microslash Warrior

Lifelink, vigilance, micro (Creatures blocked by this creature can deal excess combat damage to player or planeswalker it's attacking.)
Whenever you're dealt combat damage, you may
pay {2}{w}. If you do, destroy target creature with
power 4 or greater. Then, you may create a 1/1
white Human creature token.
Whenever a Human enters the battlefield, put a
+1/+1 counter on Microslash Warrior.