Vhal, Candlekeep Researcher, Haunted One, Fain, the Broker, Intruder Alarm, and Viscera Seer

Prerequisites

• Vhal, Candlekeep Researcher on the battlefield
• Haunted One on the battlefield
• Fain, the Broker on the battlefield
• Intruder Alarm on the battlefield
• Viscera Seer on the battlefield
• Fain and Vhal do not have summoning sickness

Steps

1. Activate Vhal by tapping it, adding at least
2. Vhal triggers, giving creatures that share a creature type with it +2/+0 and undying until end of turn
3. Activate Viscera Seer by sacrificing it
4. Viscera Seer dies, triggering its undying ability, returning it from your graveyard to the battlefield with a +1/+1 counter on it
5. Viscera Seer enters the battlefield, triggering Intruder Alarm, untapping all creatures
6. Resolve the Viscera Seer ability from step 3, causing you to scry 1
7. Activate Fain's second ability by tapping it and removing the +1/+1 counter from Viscera Seer, creating a Treasure token
8. Repeat
9. Once you have infinite Treasures, you may use them to get infinite Inklings, and thus infinite +1/+1 counters via Fain

Results

• Infinite +1/+1 counters
• Infinite colored mana
• Infinite colorless mana
• Infinite creature tokens
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers
• Infinite scry 1
• Infinite Treasure tokens