Grumbus, Troll Boss

Vigilance, Menace
Grumbus can't be countered.
Whenever a Troll you control becomes the target of a spell or ability you don't control, you draw a card and gain 2 life.
{2}{b}{g}{t}: Distribute three +1/+1 counters among Trolls you control. Those creatures gain indestructible until end of turn.