Havengul Lich, Selvala, Heart of the Wilds, and Simic Ragworm

Prerequisites

• Havengul Lich on the battlefield
• Selvala, Heart of the Wilds in the graveyard
• Simic Ragworm in the graveyard
• available

Steps

1. Activate Havengul Lich by paying , targeting Selvala
2. Cast Selvala by paying its mana cost
3. Havengul Lich triggers, giving it Selvala's activated abilities until end of turn
4. Activate Havengul Lich using Selvala's ability by paying and tapping it, adding at least
5. Activate Havengul Lich by paying , targeting Simic Ragworm
6. Cast Simic Ragworm by paying its mana cost
7. Havengul Lich triggers, giving it Simic Ragworm's activated abilities until end of turn
8. Activate Havengul Lich using Simic Ragworm's ability by paying , untapping Havengul Lich
9. Activate Havengul Lich using Selvala's ability by paying and tapping it, adding at least
10. Repeat from step 8

Results

• Infinite colored mana