Valduk, Keeper of the Flame, Phyrexian Altar, and Hellkite Charger

Prerequisites

• Valduk, Keeper of the Flame on the battlefield
• Phyrexian Altar on the battlefield
• Hellkite Charger on the battlefield
• Valduk has at least seven Auras and/or Equipments attached to it
• An opponent cannot block and kill Hellkite Charger

Steps

1. At the beginning of your combat phase, Valduk triggers, creating at least seven 3/1 Elemental creature tokens with trample and haste
2. Declare Hellkite Charger as an attacker, triggering its ability
3. Holding priority, activate Phyrexian Altar seven times by sacrificing seven Elementals, adding
4. Resolve the Hellkite Charger trigger, causing you to pay to untap all attacking creatures you control and causing you to get an additional combat phase after this one
5. Repeat each combat phase
6. If Valduk has at least eight Auras and/or Equipments attached to it, this combo nets infinite Elemental tokens and colored mana

Results

• Infinite colored mana
• Infinite combat phases
• Infinite creature tokens with haste
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers