Ancient Greenwarden + Mina and Denn, Wildborn + Lotus Cobra + Retreat to Coralhelm + Skyshroud Ranger

Ancient Greenwarden

Mina and Denn, Wildborn

Lotus Cobra

Retreat to Coralhelm

Skyshroud Ranger

How it works

1. Activate Skyshroud Ranger by tapping it, putting a land from your hand onto the battlefield.
2. The land enters the battlefield, triggering Lotus Cobra and Retreat to Coralhelm twice.
3. Resolve both Lotus Cobra triggers, adding .
4. Resolve the first Retreat to Coralhelm trigger, causing you to either tap or untap a creature, or scry 1.
5. Resolve the second Retreat to Coralhelm trigger, untapping Skyshroud Ranger.
6. Activate Mina and Denn by paying and returning the land from the battlefield to your hand, giving target creature trample until end of turn.
7. Repeat.