Krenko, Mob Boss, Sword of the Paruns, and Mana Echoes

Prerequisites

• Krenko, Mob Boss on the battlefield
• Sword of the Paruns on the battlefield
• Mana Echoes on the battlefield
• Sword of the Paruns attached to Krenko
• You control at least one additional Goblin
• Krenko does not have summoning sickness

Steps

1. Activate Krenko by tapping it, creating at least two 1/1 Goblin tokens
2. The Goblins enter the battlefield, triggering Mana Echoes at least two times, adding at least
3. Activate Sword of the Paruns by paying , untapping Krenko
4. Repeat

Results

• Infinite colorless mana
• Infinite creature tokens
• Infinite ETB
• Infinite tap triggers
• Infinite untap of creatures you control
• Infinite mana creatures you control can produce