Gwenna, Eyes of Gaea, Ebondeath, Dracolich, Nyxbloom Ancient, and Viscera Seer

Prerequisites

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

Steps

1. Activate Viscera Seer by sacrificing Ebondeath, causing you to scry 1
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
• 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 scry 1
• Infinite storm count