Hei Bai, Forest Guardian + Phyrexian Altar + Aggravated Assault

Prerequisites

• You control at least ten legendary enchantments.

Steps

1. 1Activate Hei Bai by paying and tapping it, creating a 1/1 Spirit creature token for each legendary enchantment you control.
2. 2Activate Phyrexian Altar ten times by sacrificing ten Spirits, adding .
3. 3Activate Aggravated Assault by paying , causing you to untap all creatures you control and to get an additional combat and main phase after this one.
4. 4Repeat.

Effects

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