Kibo, Uktabi Prince, Sinking Feeling, Martyr's Bond, and Screaming Shield

Prerequisites

• Kibo, Uktabi Prince on the battlefield
• Sinking Feeling on the battlefield
• Martyr's Bond on the battlefield
• Screaming Shield on the battlefield

Steps

1. Activate Kibo's original ability by tapping them, causing each player to create a Banana artifact token
2. Activate your Banana by tapping and sacrificing it, adding and gaining 2 life
3. Martyr's Bond triggers, causing each opponent to sacrifice an artifact they control and/or activate their own Banana in response
4. Kibo triggers for each artifact an opponent controls that was put into a graveyard, putting a +1/+1 counter onto each Ape or Monkey you control that many times
5. Activate Kibo using the ability granted by Sinking Feeling by paying and putting a -1/-1 counter on Kibo, untapping them
6. Repeat any number of times
7. Activate Screaming Shield's equip ability by paying , attaching it to Kibo
8. Activate Kibo using the ability granted by Screaming Shield by paying and tapping them, causing target player to mill three cards
9. Activate Kibo using the ability granted by Sinking Feeling by paying and putting a -1/-1 counter on Kibo, untapping them
10. Repeat the previous two steps any number of times

Results

• Infinite +1/+1 counters on certain creatures
• Infinite green mana for all players
• Infinite lifegain for all players
• Infinite lifegain triggers for all players
• Infinite mill
• Infinite red mana for all players
• Infinite self-mill