Ob Nixilis, Captive Kingpin + Prosper, Tome-Bound + Sensei's Divining Top + Hedron Detonator

Ob Nixilis, Captive Kingpin
Prosper, Tome-Bound
Sensei's Divining Top
Hedron Detonator

Requires
Sensei's Divining Top in hand. All other permanents on the battlefield. 2 available.
Steps
  1. Cast Sensei's Divining Top by paying 1
  2. When Sensei's Divining Top enters the battlefield, Hedron Detonator triggers
  3. Holding priority, activate Sensei's Divining Top's second ability by tapping it, causing you to draw a card and put Sensei's Divining Top on top of your library
  4. Resolve the Hedron Detonator trigger, dealing 1 damage to an opponent
  5. Ob Nixilis triggers, putting a +1/+1 counter on it, and exiling Sensei's Divining Top from the top of your library with the ability to cast it from exile until your end step
  6. Cast Sensei's Divining Top from exile by paying 1
  7. Prosper triggers, creating a Treasure token
  8. Activate the Treasure by tapping and sacrificing it, adding 1
  9. Repeat from step 2
Results
Infinite card draw. Infinite draw triggers. Near-infinite damage. Near-infinite +1/+1 counters on Ob Nixilis. Near-infinite storm count.