Aeve, Progenitor Ooze, Ashnod's Altar, and Signpost Scarecrow

Prerequisites

• Aeve, Progenitor Ooze in the command zone
• Ashnod's Altar on the battlefield
• Signpost Scarecrow on the battlefield
• Your storm count is equal to or higher than five plus the number of times you've cast Aeve from the command zone this game
• plus enough mana to pay for commander tax, if applicable available

Steps

1. Cast Aeve from the command zone by paying plus commander tax, if applicable
2. Aeve's storm ability triggers, creating a nonlegendary token copy of itself for each spell you've cast previously this turn
3. Activate Ashnod's Altar three times by sacrificing the nontoken Aeve and two Aeve tokens, adding six
4. Choose to have Aeve returned to the command zone from your graveyard
5. Activate Signpost Scarecrow three times by paying , adding
6. Activate Ashnod's Altar by sacrificing an Aeve token, adding
7. Repeat step 6 until you have enough mana to cast Aeve
8. Repeat from step 1

Results

• Infinite +1/+1 counters
• Infinite colored mana
• Infinite colorless mana
• Infinite commander casts
• Infinite creature tokens
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers
• Infinite storm count