Éowyn, Shieldmaiden, and Breath of Fury

Prerequisites

• Éowyn, Shieldmaiden on the battlefield
• Breath of Fury on the battlefield
• Breath of Fury attached to any other creature you control that can attack this turn and that cannot be blocked by an opponent
• Another Human has entered the battlefield under your control this turn

Steps

1. At the beginning of your combat phase, Éowyn triggers, creating two 2/2 Human Knight creature tokens with trample and haste, and causing you to draw a card if you control six or more Humans
2. Deal combat damage to an opponent using the creature that has Breath of Fury attached
3. Breath of Fury triggers, causing you to sacrifice the creature it is attached to, then attach Breath of Fury to a Human Knight token, then causing you to untap all creatures you control and to get an additional combat phase after this one
4. Repeat each combat phase

Results

• Infinite card draw
• Infinite draw triggers
• Near-infinite combat damage
• Near-infinite combat phases
• Near-infinite creature tokens with haste
• Near-infinite death triggers
• Near-infinite ETB
• Near-infinite LTB
• Near-infinite sacrifice triggers