How can you create a combo with Gregor, Shrewd Magistrate, Body of Research, Resourceful Defense?
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[START OF COMBO]This combo can be formed with Gregor, Shrewd Magistrate, Body of Research, Resourceful Defense

Color identity: GWU
Mana cost: {4}{G}{G}{G}{W}{U}{U}{U}
Steps:
  1. Cast Body of Research by paying {G}{G}{G}{U}{U}{U}, creating a 0/0 Fractal creature token, then putting a number of +1/+1 counters on it equal to your deck size.
  2. Activate Resourceful Defense by paying {4}{W}, moving all but one +1/+1 counter from the Fractal onto Gregor.
  3. Deal combat damage to an opponent using Gregor.
  4. Gregor triggers, causing you to draw your library.[END OF COMBO STEPS]

Result:
  - Infinite card draw
  - Infinite draw triggers
  - Near-infinite +1/+1 counters on Gregor
  - Near-infinite combat damage[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Gregor, Shrewd Magistrate must be on the battlefield
  - Body of Research must be in your hand
  - Resourceful Defense must be on the battlefield
  - Gregor does not have summoning sickness and cannot be blocked by an opponent.
[END OF COMBO PREREQUISITES]
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