Cast Hooded Hydra by paying ({7} magic symbol) ({G} magic symbol) ({G} magic symbol) , causing it to enter the battlefield with fourteen +1/+1 counters on it.
Activate Phyrexian Altar thirteen times by sacrificing thirteen Snakes, adding ({11} magic symbol) ({G} magic symbol) ({G} magic symbol) .
Cast Disturbed Burial with buyback by paying ({4} magic symbol) ({B} magic symbol) , returning Hooded Hydra from your graveyard to your hand, and returning Disturbed Burial to your hand.