Kresh the Bloodbraided, Agatha's Soul Cauldron, Ulasht, the Hate Seed, and Ashnod's Altar

Prerequisites

• Kresh the Bloodbraided on the battlefield
• Agatha's Soul Cauldron on the battlefield
• Ulasht, the Hate Seed in exile
• Ashnod's Altar on the battlefield
• Kresh the Bloodbraided has at least one +1/+1 counter on it
• available

Steps

1. Activate Kresh the Bloodbraided using Ulasht's ability by paying and removing a +1/+1 counter from it, creating a 1/1 Saproling creature token
2. Activate Ashnod's Altar by sacrificing the Saproling, adding
3. When the Saproling dies, Kresh the Bloodbraided triggers, putting a +1/+1 counter on itself
4. Repeat

Results

• Infinite colorless mana
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers