Whenever one or more creatures you control deals combat damage to an opponent, put a +1/+1 counter on Savathûn's Worm.

{T}, Remove three +1/+1 counters from Savathûn's Worm: Exile it, then return it to the battlefield transformed under your control.

Whenever a creature you control deals combat damage to an opponent, put a hunger counter on Parasite.

Equipped creature gains annihilator X, where X is the amount of hunger counters on Parasite. (Whenever equipped creature attacks, defending player sacrifices X permanents.)

Equip {B/G}{B/G}{B/G}