Dune-Brood Nephilim, Aggravated Assault, and Phyrexian Altar

Prerequisites

• Dune-Brood Nephilim on the battlefield
• Aggravated Assault on the battlefield
• Phyrexian Altar on the battlefield
• Dune-Brood Nephilim does not have summoning sickness
• An opponent is unable to block Dune-Brood Nephilim
• You control at least six lands

Steps

1. Deal combat damage with Dune-Brood Nephilim
2. Dune-Brood Nephilim triggers, creating a 1/1 Sand creature token for each land you control
3. Proceed to your postcombat main phase
4. Activate Phyrexian Altar by sacrificing five Sand tokens, adding
5. Activate Aggravated Assault by paying , untapping all creatures you control and getting an additional combat phase and main phase after this phase
6. Repeat

Results

• Infinite colored mana
• Infinite combat damage
• Infinite combat phases
• Infinite creature tokens
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite mana creatures you control can produce
• Infinite sacrifice triggers
• Infinite untap of creatures you control