Scaretiller, Vesuva, Gods' Eye, Gate to the Reikai, Retreat to Coralhelm, and Paradise Mantle

Prerequisites

• Scaretiller on the battlefield
• Vesuva in the graveyard
• Gods' Eye, Gate to the Reikai on the battlefield
• Retreat to Coralhelm on the battlefield
• Paradise Mantle on the battlefield
• Scaretiller does not have summoning sickness
• Paradise Mantle attached to Scaretiller

Steps

1. Activate Scaretiller by tapping it, adding one mana of any color
2. Scaretiller triggers, returning Vesuva from your graveyard to the battlefield as a copy of Gods' Eye
3. Put Vesuva into your graveyard due to the legend rule
4. Vesuva and Retreat to Coralhelm trigger
5. Resolve the Retreat to Coralhelm trigger, untapping Scaretiller
6. Resolve the Vesuva trigger, creating a 1/1 Spirit creature token
7. Repeat

Results

• Infinite colored mana
• Infinite creature tokens
• Infinite ETB
• Infinite landfall triggers