Mazirek, Kraul Death Priest, Thopter Squadron, and Ashnod's Altar

Prerequisites

• Mazirek, Kraul Death Priest on the battlefield
• Thopter Squadron on the battlefield
• Ashnod's Altar on the battlefield
• Thopter Squadron has at least two +1/+1 counters on it
• available

Steps

1. Activate Thopter Squadron by paying and remove +1/+1 from it to create a 1/1 colorless Thopter token
2. Activate Ashnod's Altar by sacrificing the Thopter token to add
3. Mazirek triggers, putting a +1/+1 counter on each creature you control
4. Repeat

Results

• Infinite +1/+1 counters on all creatures you control
• Infinite colorless mana
• Infinite creature tokens
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers