Slimefoot and Squee | Pitiless Plunderer | Goldspan Dragon

(and one other card)

Activate
Carrion Feeder twice by sacrificing a nontoken creature you control and
Slimefoot and Squee.
When the creatures die,
Pitiless Plunderer triggers twice, creating two Treasure artifact tokens.
Resolve the
Carrion Feeder abilities, putting two +1/+1 counters on
Carrion Feeder.
Activate the Treasures by tapping and sacrificing them, adding two of ({B} magic symbol) ({B} magic symbol) , ({R} magic symbol) ({R} magic symbol) or ({G} magic symbol) ({G} magic symbol) .
Activate
Slimefoot and Squee by paying ({1} magic symbol) ({B} magic symbol) ({R} magic symbol) ({G} magic symbol) and sacrificing a Saproling.
When the Saproling dies,
Pitiless Plunderer triggers, creating a Treasure artifact token.
Resolve the
Slimefoot and Squee ability, returning it and another creature from your graveyard to the battlefield.
When
Slimefoot and Squee enter the battlefield, it triggers, creating a 1/1 Saproling creature token.
Activate the Treasure by tapping and sacrificing it, adding ({B} magic symbol) ({B} magic symbol) .
Repeat.