Springheart Nantuko | Dryad Arbor | Vorinclex, Voice of Hunger (and one other card)

Cards

All permanents on the battlefield (
Springheart Nantuko attached to
Dryad Arbor).

Play a land. When the land enters,
Springheart Nantuko triggers, causing you to pay ({1} magic symbol) ({G} magic symbol) to create a token copy of
Dryad Arbor.
When the
Dryad Arbor token enters,
Springheart Nantuko triggers. Holding priority, activate the
Dryad Arbor token by tapping it, adding ({G} magic symbol) .
Vorinclex triggers, adding ({G} magic symbol) .
Resolve the
Springheart Nantuko trigger, causing you to pay ({1} magic symbol) ({G} magic symbol) to create a token copy of
Dryad Arbor.
Repeat from step 2.

This combo has been estimated to be Exhibition (Bracket 1+).