Horizon Explorer + Overlord of the Hauntwoods + Retreat to Coralhelm + Romana II

Mana needed: {3}{G}{G}

GWU identity

Commander legal

The 4 combo pieces

What must be in place

Romana II does not have summoning sickness.

How to execute it

  1. Cast Overlord of the Hauntwoods by paying {3}{G}{G}.
  2. When Overlord of the Hauntwoods enters the battlefield, it triggers, creating an untapped Everywhere land token due to Horizon Explorer
  3. When the Everywhere token enters the battlefield, Retreat to Coralhelm triggers, untapping Romana II.
  4. Activate the Everywhere token by tapping it, adding {1}.
  5. Activate Romana II by paying {1} and tapping it, creating a tapped copy of the Everywhere token.
  6. Repeat from step 3.

What the combo produces