Kurkesh, Onakke Ancient, Helm of the Host, Gilded Lotus, and Clock of Omens

Prerequisites

• Kurkesh, Onakke Ancient on the battlefield
• Helm of the Host on the battlefield
• Gilded Lotus on the battlefield
• Clock of Omens on the battlefield
• Helm of the Host attached to Kurkesh

Steps

1. At the beginning of your combat phase, Helm of the Host triggers, creating a nonlegendary copy of Kurkesh with haste
2. Activate Gilded Lotus by tapping it, adding
3. Activate Clock of Omens by tapping itself and Helm of the Host, targeting Gilded Lotus
4. Both Kurkeshes trigger
5. Resolve both Kurkesh triggers, causing you to pay to copy Clock of Omens' ability twice, targeting Clock of Omens and Helm of the Host
6. Resolve all Clock of Omens abilties, untapping it, Helm of the Host and Gilded Lotus
7. Repeat from step 3

Results

• Infinite colored mana
• Infinite untap of artifacts