Ghouls' Night Out by paying ({3} magic symbol) ({B} magic symbol) ({B} magic symbol) , 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.
When
Mnemonic Wall and the creatures enter the battlefield,
Blessed Sanctuary triggers once for each creature, and
Mnemonic Wall triggers once.
Resolve the
Mnemonic Wall trigger, returning
Ghouls' Night Out from your graveyard to your hand.
Resolve all
Blessed Sanctuary triggers, creating that many 2/2 Unicorn creature tokens.
Activate
Phyrexian Altar five times by sacrificing
Mnemonic Wall, two creatures your opponents own, and two Unicorns, adding ({3} magic symbol) ({B} magic symbol) ({B} 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+).