Rasputin Dreamweaver, Nim Deathmantle, and Ashnod's Altar

Prerequisites

• Rasputin Dreamweaver on the battlefield
• Nim Deathmantle on the battlefield
• Ashnod's Altar on the battlefield
• available

Steps

1. Activate Ashnod's Altar by sacrificing Rasputin Dreamweaver, adding
2. Nim Deathmantle triggers, causing you to pay to return Rasputin Dreamweaver from your graveyard to the battlefield and attach Nim Deathmantle to it
3. Activate Rasputin Dreamweaver's first activated ability seven times by removing seven dream counters from it, adding seven
4. Repeat any number of times
5. Once you have infinite mana, you may repeat this loop with any other creatures you control, effectively blinking them through sacrifice and reanimation

Results

• Infinite blinking of creatures you control
• Infinite colorless mana
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers