Krenko, Mob Boss, Thornbite Staff, and Ashnod's Altar

Prerequisites

• Krenko, Mob Boss on the battlefield
• Thornbite Staff on the battlefield
• Ashnod's Altar on the battlefield
• Thornbite Staff attached to Krenko
• Krenko does not have summoning sickness
• You control at least one additional Goblin

Steps

1. Activate Krenko by tapping it, creating at least two 1/1 Goblin creature tokens
2. Activate Ashnod's Altar by sacrificing a Goblin token, adding
3. The Goblin dies, triggering Krenko, untapping Krenko
4. Repeat

Results

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