Knight of Nature's Decay

First strike, vigilance, sunburst

When you cast Knight of Nature's Decay,
•If {b}{b} was spent, this creature has infect.
•If {w}{w} was spent, this creature has lifelink.
•If {g}{g} was spent, this creature has trample.

Whenever Knight of Nature's Decay is dealt damage, put that many +1/+1 counters on it.

Remove a +1/+1 counter: Regenerate