All other permanents on the battlefield (Roaming Throne with "Avatar" or "Horror" chosen).
({R} magic symbol) available.
Steps
Cast Crown of Flames by paying ({R} magic symbol) .
Displacer Kitten triggers, blinking Overlord of the Hauntwoods.
When Overlord of the Hauntwoods enters the battlefield, it triggers twice, creating two tapped Everywhere land tokens, which enter untapped due to Spelunking.
Resolve the Crown of Flames spell.
Activate the two Everywhere tokens by tapping them, adding ({R} magic symbol) ({R} magic symbol) .
Activate Crown of Flames by paying ({R} magic symbol) , returning it from the battlefield to your hand.