At the beginning of your upkeep, you may put a +1/+1 counter on this creature. Threshold — As long as seven or more cards are in your graveyard, this creature has "At the beginning of your upkeep, you may put another +1/+1 counter on this creature."
{G}, Discard a card: This creature gains trample until end of turn. Threshold — As long as seven or more cards are in your graveyard, this creature gets +2/+2 and has shroud.
{1}{G}, Sacrifice this creature: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle. If this card is in a graveyard, effects from spells named Muscle Burst count it as a card named Muscle Burst.