Ghave has at least two +1/+1 counters on it, or there is a +1/+1 counter on another creature you control.
Mana Needed
({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.
When the Saproling dies,
Pitiless Plunderer triggers, creating two Treasure tokens.
Resolve the
Ghave ability, putting a +1/+1 counter on it.
Activate both Treasures by tapping and sacrificing them, adding ({2} magic symbol) .
Repeat.
Results
Infinite creature tokens.
Infinite death triggers.
Infinite ETB.
Infinite LTB.
Infinite sacrifice triggers.
Metadata
In 14 decks according to EDHREC.
Bracket Tag
This combo has been estimated to be Exhibition (Bracket 1+).