Toph, Hardheaded Teacher + Gaea's Cradle + Constant Mists + Horizon Explorer

Prerequisites

• You control three or more creatures.
• You control at least two additional lands.

Steps

1. 1Activate Gaea's Cradle and another land by tapping them, adding at least
2. 2Cast Constant Mists with buyback by paying and sacrificing a land that wasn't tapped for mana in step 1.
3. 3Toph's second ability triggers, earthbending Gaea's Cradle
4. 4Resolve Constant Mists, returning it to your hand.
5. 5Cast Constant Mists with buyback by paying and sacrificing Gaea's Cradle.
6. 6Toph triggers twice. Resolve the first trigger, earthbending another land you control.
7. 7Resolve the second Toph trigger, returning Gaea's Cradle from your graveyard to the battlefield untapped due to Horizon Explorer
8. 8Resolve Constant Mists, returning it to your hand.
9. 9Activate Gaea's Cradle by tapping it, adding at least .
10. 10Cast Constant Mists with buyback by paying and sacrificing the land that was earthbent in step 6.
11. 11Toph triggers twice. Resolve the first trigger, earthbending Gaea's Cradle.
12. 12Resolve the second Toph trigger, returning the sacrificed land from your graveyard to the battlefield untapped due to Horizon Explorer.
13. 13Resolve Constant Mists, returning it to your hand.
14. 14Activate the land that entered by tapping it adding at least .
15. 15Repeat from step 5.

Effects

• Infinite green mana
• Infinite landfall triggers
• Infinite magecraft triggers
• Infinite mana lands you control can produce
• Infinite storm count