There are at least two +1/+1 counters on creatures you control.
({2} magic symbol) available.
Steps
Activate Ghave's first ability by paying ({1} magic symbol) and removing a +1/+1 counter from a creature you control, creating two 1/1 Saproling creature tokens.
Activate Ghave's second ability by paying ({1} magic symbol) and sacrificing a Saproling, putting a +1/+1 counter on Ghave.
The Saproling dies, triggering Pitiless Plunderer, creating two Treasure tokens.
Activate both Treasures by tapping and sacrificing them, adding ({2} magic symbol) .