Mortuary, Endless One, and Warhost's Frenzy

Prerequisites

• Mortuary on the battlefield
• Endless One in hand
• Warhost's Frenzy in hand
• available

Steps

1. Cast Warhost's Frenzy with kicker by paying
2. Cast Endless One by paying
3. Endless One enters and dies as a state-based action due to having 0 toughness, triggering Mortuary and Warhost's Frenzy
4. Resolve the Mortuary trigger, putting Endless One from your graveyard onto the top of your library
5. Resolve the Warhost's Frenzy trigger, causing you to draw a card, thus drawing Endless One from your library
6. Repeat from step 2

Results

• Infinite creature ETB
• Infinite creature LTB
• Infinite death triggers
• Infinite draw triggers
• Infinite storm count