Rakdos, the Muscle | Shambling Ghast | Haunted Crossroads

(and two other cards)

Activate
Carrion Feeder by sacrificing
Shambling Ghast.
When
Shambling Ghast dies, it,
Pitiless Plunderer and
Rakdos trigger.
Resolve the
Shambling Ghast and
Pitiless Plunderer triggers, creating two Treasure tokens.
Activate the Treasures by tapping and sacrificing them, adding ({1} magic symbol) ({B} magic symbol) .
Holding priority, activate
Haunted Crossroads by paying ({B} magic symbol) , putting
Shambling Ghast from your graveyard onto the top of your library.
Resolve the
Rakdos trigger, exiling
Shambling Ghast from the top of your library with the ability to cast it until your next turn.
Resolve the
Carrion Feeder ability, putting a +1/+1 counter on it.
Cast
Shambling Ghast from exile by paying ({1} magic symbol) .
Repeat.