Chrome Dome, Threefold Thunderhulk, and Ashnod's Altar

Prerequisites

• Chrome Dome on the battlefield
• Threefold Thunderhulk in hand
• Ashnod's Altar on the battlefield
• available

Steps

1. Cast Threefold Thunderhulk by paying
2. When Threefold Thunderhulk enters, it triggers, creating three 1/1 Gnome artifact creature tokens
3. Activate Ashnod's Altar three times by sacrificing the Gnomes, adding six
4. Activate Chrome Dome by paying , creating a token copy of Threefold Thunderhulk with haste
5. Repeat from step 2

Results

• Infinite ETB
• Infinite LTB
• Infinite colorless mana
• Infinite copies of artifacts you control with haste
• Infinite creature tokens with haste
• Infinite death triggers
• Infinite sacrifice triggers