Kibo, Uktabi Prince, March of the Machines, and Intruder Alarm

Prerequisites

• Kibo, Uktabi Prince on the battlefield
• March of the Machines on the battlefield
• Intruder Alarm on the battlefield
• Kibo does not have summoning sickness

Steps

1. Activate Kibo by tapping it, causing each player to create a Banana artifact token
2. The Bananas enter the battlefield and die as a state-based action due to having zero toughness
3. Intruder Alarm triggers for each Banana created, and Kibo triggers for each Banana your opponents created
4. Resolve all Intruder Alarm triggers, untapping all creatures
5. Resolve all Kibo triggers, putting that many +1/+1 counters on each Ape and Monkey you control
6. Repeat

Results

• Infinite +1/+1 counters on each Ape and Monkey you control
• Infinite death triggers for all players
• Infinite ETB for all players
• Infinite LTB for all players
• Infinite mana creatures you control can produce
• Infinite untap of all creatures