Lagomos, Hand of Hatred + Breath of Fury

Lagomos, Hand of Hatred
Breath of Fury

Requires
Lagomos, Hand of Hatred must be on the battlefield. Breath of Fury must be on the battlefield. Breath of Fury attached to another creature you control that can attack this turn. An opponent cannot block creatures you control.
Steps
  1. At the beginning of your combat phase, Lagomos triggers, creating an 2/1 Elemental creature token with trample and haste.
  2. Deal combat damage to an opponent using the creature with Breath of Fury attached.
  3. Breath of Fury triggers, causing you to sacrifice the creature with Breath of Fury attached, then attach Breath of Fury to the Elemental token, untap all creatures you control and to get an additional combat phase after this one.
  4. Repeat each combat phase.
Results
Infinite combat damage. Infinite combat phases. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers.