Springheart Nantuko | Overlord of the Hauntwoods | Spelunking (and one other card)

Cards

Declare
Overlord of the Hauntwoods as an attacker.
Overlord of the Hauntwoods triggers, creating an untapped Everywhere land token due to
Spelunking.
When the Everywhere token enters the battlefield,
Springheart Nantuko triggers.
Holding priority, activate Everywhere 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
Overlord of the Hauntwoods.
When the
Overlord of the Hauntwoods token enters the battlefield, it triggers, creating a tapped Everywhere land token.
Repeat from step 3.

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