Realm-Scorcher Hellkite, Enduring Renewal, Ashnod's Altar, and Miirym, Sentinel Wyrm

Prerequisites

• Realm-Scorcher Hellkite in hand
• Enduring Renewal on the battlefield
• Ashnod's Altar on the battlefield
• Miirym, Sentinel Wyrm on the battlefield
• You control an additional artifact, enchantment and/or token
• available

Steps

1. Cast Realm-Scorcher Hellkite by paying and sacrificing an additional artifact, enchantment or token
2. When Realm-Scorcher Hellkite enters the battlefield, it and Miirym triggers
3. Resolve the Realm-Scorcher Hellkite trigger, adding
4. Resolve the Miirym trigger, creating a token copy of Realm-Scorcher Hellkite
5. Activate Ashnod's Altar by sacrificing the nontoken Realm-Scorcher Hellkite, adding
6. When Realm-Scorcher Hellkite dies, Enduring Renewal triggers, returning it to your hand from your graveyard
7. Repeat

Results

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