Saffi Eriksdotter, Cadric, Soul Kindler, and Ashnod's Altar

Prerequisites

• Saffi Eriksdotter on the battlefield
• Cadric, Soul Kindler on the battlefield
• Ashnod's Altar on the battlefield
• Saffi in hand
• available

Steps

1. Cast Saffi by paying
2. When Saffi enters the battlefield, Cadric triggers, causing you to pay to create a token copy of Saffi
3. Activate the Saffi token by sacrificing it, targeting the nontoken Saffi
4. Activate Ashnod's Altar by sacrificing the nontoken Saffi, adding
5. When the nontoken Saffi dies, the token Saffi triggers, returning the nontoken Saffi 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