Grumgully, the Generous + Protean Hulk + Lesser Masticore + Reckless Fireweaver + Arcbound Ravager

Grumgully, the Generous
Protean Hulk
Lesser Masticore
Reckless Fireweaver
Arcbound Ravager

Requires
Grumgully, the Generous must be on the battlefield. Protean Hulk must be on the battlefield. Lesser Masticore must be in the library. Reckless Fireweaver must be in the library. Arcbound Ravager must be in the library. You have a way to kill Protean Hulk available.
Steps
  1. Cause Protean Hulk to die.
  2. Protean Hulk triggers, searching your library for Lesser Masticore, Reckles Fireweaver, and Arcbound Ravager, and then putting them onto the battlefield.
  3. Activate Arcbound Ravager by sacrificing Lesser Masticore.
  4. Lesser Masticore triggers, returning itself to the battlefield.
  5. Reckless Fireweaver triggers, dealing 1 damage to each opponent.
  6. Resolve the Arcbound Ravager ability, putting a +1/+1 counter on it.
  7. Repeat from step 3.
Results
Infinite damage. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers.

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