Fellkar, the Blighted Peak

Fellkar, the Blighted Peak enters the battlefield tapped and with 4 -1/-1 counters on it.
Fellkar has all Basic Land types of other Blight Lands you control.
{p/b}{p/g}{p/u}Until end of turn, Fellkar becomes a 5/5 creature with Infect in addition to its other types. Whenever a creature dealt damage by it this turn dies, remove a -1/-1 counter from Fellkar, the Blighted Peak.