Ghouls' Night Out by paying ({3} magic symbol) ({B} magic symbol) ({B} magic symbol) , returning
Archaeomancer from your graveyard to the battlefield, and at least two other creatures from your opponents' graveyards to the battlefield under your control.
When
Archaeomancer enters the battlefield, it triggers, returning
Ghouls' Night Out from your graveyard to your hand.
Activate
Phyrexian Altar three times by sacrificing
Archaeomancer and the two creatures your opponents own, adding ({1} magic symbol) ({B} magic symbol) ({B} magic symbol) .
When the three creatures die,
Headless Rider triggers three times, creating three 2/2 Zombie creature tokens.
Activate
Phyrexian Altar twice by sacrificing two Zombies, adding ({2} magic symbol) .
Repeat.
Results
Infinite colored mana.
Infinite creature tokens.
Infinite death triggers.
Infinite ETB.
Infinite LTB.
Infinite magecraft triggers.
Infinite sacrifice triggers.
Infinite storm count.
Metadata
In 0 decks according to EDHREC.
Bracket Tag
This combo has been estimated to be Exhibition (Bracket 1+).