Ghouls' Night Out + Phyrexian Altar + Headless Rider + Eternal Witness

Prerequisites

• At least two of your opponents have a creature card in their graveyard.

Steps

1. 1Cast Ghouls' Night Out by paying , returning Eternal Witness from your graveyard to the battlefield, and at least two other creatures from your opponents' graveyards to the battlefield under your control.
2. 2When Eternal Witness enters the battlefield, it triggers, returning Ghouls' Night Out from your graveyard to your hand.
3. 3Activate Phyrexian Altar three times by sacrificing Eternal Witness and the two creatures your opponents own, adding .
4. 4When the three creatures die, Headless Rider triggers three times, creating three 2/2 Zombie creature tokens.
5. 5Activate Phyrexian Altar twice by sacrificing two Zombies, adding .
6. 6Repeat.

Effects

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