Ghalta and Mavren + Breath of Fury + Mass Hysteria

Ghalta and Mavren
Breath of Fury
Mass Hysteria

Requires
Ghalta and Mavren must be on the battlefield. Breath of Fury must be on the battlefield. Mass Hysteria must be on the battlefield. Breath of Fury attached to another creature you control that does not have summoning sickness. You control at least one additional creature that does not have summoning sickness. An opponent cannot block and kill creatures you control.
Steps
  1. Declare the creature with Breath of Fury attached and any other creature you control as attackers.
  2. Ghalta and Mavren triggers, creating two 1/1 Vampire creature tokens with lifelink.
  3. Deal combat damage to an opponent using the creature with Breath of Fury attached.
  4. Breath of Fury triggers, causing you to sacrifice the creature it is attached to, then attach Breath of Fury to a Vampire token, then causing you to untap all creatures you control and to get an additional combat phase after this one.
  5. Repeat each combat phase.
Results
Infinite combat damage. Infinite combat phases. Infinite creature tokens with haste. Infinite death triggers. Infinite ETB. Infinite lifegain. Infinite lifegain triggers. Infinite LTB. Infinite sacrifice triggers. Infinite untap of creatures you control.

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