Halana, Kessig Ranger, Dread Slaver, and Ashnod's Altar

Prerequisites

• Halana, Kessig Ranger on the battlefield
• Dread Slaver in hand
• Ashnod's Altar on the battlefield
• available

Steps

1. Cast Dread Slaver by paying
2. When Dread Slaver enters the battlefield, Halana triggers, causing you to pay to have Dread Slaver deal damage equal to its power to itself
3. Activate Ashnod's Altar by sacrificing Dread Slaver, adding
4. When Dread Slaver dies, it triggers, returning itself from your graveyard to the battlefield
5. Repeat from step 2

Results

• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers