The Jolly Balloon Man, and Intruder Alarm

Prerequisites

• The Jolly Balloon Man on the battlefield
• Intruder Alarm on the battlefield
• undefined

Steps

1. Activate a creature by tapping it, adding
2. Activate The Jolly Balloon Man by paying and tapping it, creating a token copy of another nonlegendary creature you control that is a 1/1 Balloon with flying and haste in addition to its other types
3. When the creature token enters the battlefield, Intruder Alarm triggers, untapping all creatures
4. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite creature tokens with haste
• Infinite mana creatures you control can produce
• Infinite untap of creatures