Lotus Field + Echoing Deeps + Aftermath Analyst + Shifting Woodland + Horizon Explorer

Prerequisites

• There are two mana-producing land cards in your graveyard.
• There are three or more card types among cards in your graveyard excluding the "Creature" type.

Steps

1. 1Play Lotus Field. When it enters untapped due to Horizon Explorer, it triggers.
2. 2Holding priority, activate Lotus Field by tapping it, adding .
3. 3Resolve the Lotus Field trigger, sacrificing it and Echoing Deeps.
4. 4Activate Aftermath Analyst by paying and sacrificing it, returning all land cards from your graveyard to the battlefield untapped due to Horizon Explorer. Choose to have Echoing Deeps enter as a copy of Lotus Field.
5. 5When Echoing Deeps and Lotus Field enter, they each trigger.
6. 6Holding priority, activate Echoing Deeps, Lotus Field and two other mana-producing lands except Shifting Woodland by tapping them, adding at least .
7. 7Resolve the Echoing Deeps and Lotus Field triggers, sacrificing them and the lands tapped for mana in step 6.
8. 8Activate Shifting Woodland's first ability by tapping it, adding .
9. 9Activate Shifting Woodland's second ability by paying , causing it to become a copy of Aftermath Analyst.
10. 10Activate Shifting Woodland by paying and sacrificing it, returning all land cards from your graveyard to the battlefield untapped due to Horizon Explorer. Choose to have Echoing Deeps enter as a copy of Lotus Field.
11. 11Repeat from step 5.

Effects

• Infinite colored mana
• Infinite landfall triggers
• Infinite mana lands you control can produce