Gwenna, Eyes of Gaea, Ebondeath, Dracolich, Nyxbloom Ancient, and Carrion Feeder

Prerequisites

• Gwenna, Eyes of Gaea on the battlefield
• Ebondeath, Dracolich on the battlefield
• Nyxbloom Ancient on the battlefield
• Carrion Feeder on the battlefield
• Gwenna does not have summoning sickness
• A creature not named Ebondeath, Dracolich had died this turn

Steps

1. Activate Carrion Feeder by sacrificing Ebondeath, putting a +1/+1 counter on Carrion Feeder
2. Activate Gwenna by tapping it, adding that can only be spent to cast creature spells or activate abilities of creatures
3. Cast Ebondeath from your graveyard by paying
4. Gwenna triggers, putting a +1/+1 counter on it and untapping it
5. Repeat

Results

• Infinite +1/+1 counters on Gwenna and Carrion Feeder
• Infinite colored mana that can only be spent to activate abilities of creatures
• Infinite colored mana that can only be spent to cast creature spells
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers
• Infinite storm count