Melira, the Living Cure, The Peregrine Dynamo, and Phyrexian Altar

Prerequisites

• Melira, the Living Cure on the battlefield
• The Peregrine Dynamo on the battlefield
• Phyrexian Altar on the battlefield
• Melira is not your commander
• available

Steps

1. Activate Melira by exiling it
2. Holding priority, activate The Peregrine Dynamo by paying and tapping it, copying Melira's ability
3. Resolve the copy of Melira's ability, choosing The Peregrine Dynamo
4. Activate Phyrexian Altar by sacrificing The Peregrine Dynamo, adding one mana of any color
5. Melira triggers, returning The Peregrine Dynamo from your graveyard to the battlefield
6. Repeat from step 2

Results

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