Voracious Corpse-Worm

Whenever Voracious Corpse-Worm attacks, deal X damage to each creature defending player controls, where X is 1 plus the number
of +1/+1 counters on Voracious
Corpse-Worm.
{t}: Exile two target creature cards in a graveyard, put 3 +1/+1 counters on Voracious Corpse-Worm.