Ghouls' Night Out, Phyrexian Altar, Blessed Sanctuary, and Mnemonic Wall

Prerequisites

• Ghouls' Night Out in hand
• Phyrexian Altar on the battlefield
• Blessed Sanctuary on the battlefield
• Mnemonic Wall in the graveyard
• At least two of your opponents have a creature card in their graveyard
• available

Steps

1. Cast Ghouls' Night Out by paying , returning Mnemonic Wall from your graveyard to the battlefield, and at least two other creatures from your opponents' graveyards to the battlefield under your control
2. When Mnemonic Wall and the creatures enter the battlefield, Blessed Sanctuary triggers once for each creature, and Mnemonic Wall triggers once
3. Resolve the Mnemonic Wall trigger, returning Ghouls' Night Out from your graveyard to your hand
4. Resolve all Blessed Sanctuary triggers, creating that many 2/2 Unicorn creature tokens
5. Activate Phyrexian Altar five times by sacrificing Mnemonic Wall, two creatures your opponents own, and two Unicorns, adding
6. Repeat

Results

• Infinite colored mana
• Infinite creature tokens
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite magecraft triggers
• Infinite sacrifice triggers
• Infinite storm count