MTG >Combos >Retreat to Coralhelm +Sakura-Tribe Scout +Trench Behemoth +

1) Tap a land that doesn't enter the battlefield tapped. 2) Activate [Trench Behemoth] ability to return that land to your hand. 3) Activate [ Sakura Tribe Scout] ability to play the untappt land. 4) Untap [Sakura Tribe Scout] with [Retreat to Coralhealm] triggered ability. 5) Repeat.