Krenko, Mob Boss, Hellraiser Goblin, and Breath of Fury

Prerequisites

• Krenko, Mob Boss on the battlefield
• Hellraiser Goblin on the battlefield
• Breath of Fury in hand
• Opponents can not block and kill creatures you control
• available

Steps

1. Activate Krenko by tapping it, creating that many 1/1 Goblin tokens equal to the number of Goblins you control
2. Cast Breath of Fury by paying , enchanting a Goblin token
3. Move to combat
4. Attack with enchanted Goblin token, dealing damage to player
5. Breath of Fury triggers, sacrificing the enchanted Goblin and enchanting other Goblin token, untapping your creatures and gaining an additional combat phase after this one
6. Activate Krenko by tapping it, creating that many Goblin tokens equal to the number of Goblins you control
7. Repeat from step 3

Results

• Infinite combat damage
• Infinite combat phases
• Infinite creature tokens
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite mana creatures you control can produce
• Infinite sacrifice triggers
• Infinite untap of creatures you control