Topiary Lecturer and giving it +3/+3 until end of turn.
Repeat.
Notes
The amount of mana needed to start is equal to ({2} magic symbol) ({GW} magic symbol) ({GW} magic symbol) minus an amount of ({G} magic symbol) equal to
Topiary Lecturer's power.
Results
Infinite green mana.
Metadata
In 5 decks according to EDHREC.
Bracket Tag
This combo has been estimated to be Ruthless (Bracket 4+).