Twilight Drover, Ashnod's Altar, and Chromatic Orrery

Prerequisites

• Twilight Drover on the battlefield
• Ashnod's Altar on the battlefield
• Chromatic Orrery on the battlefield
• Twilight Drover has at least one +1/+1 counter on it
• available

Steps

1. Activate Twilight Drover by paying and removing a +1/+1 counter from it, creating two 1/1 Spirit creature tokens
2. Activate Ashnod's Altar twice by sacrificing the Spirit tokens, adding
3. When the Spirits die, Twilight Drover triggers twice, putting two +1/+1 counters on Twilight Drover
4. Repeat

Results

• Infinite +1/+1 counters on Twilight Drover
• Infinite colored mana
• Infinite colorless mana
• Infinite creature tokens
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers