Melira, the Living Cure, The Peregrine Dynamo, and Krark-Clan Ironworks

Prerequisites

• Melira, the Living Cure on the battlefield
• The Peregrine Dynamo on the battlefield
• Krark-Clan Ironworks 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 Krark-Clan Ironworks by sacrificing The Peregrine Dynamo, adding
5. Melira triggers, returning The Peregrine Dynamo from your graveyard to the battlefield
6. Repeat from step 2

Results

• Infinite colorless mana
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers