Infinite ETB, Infinite LTB, Infinite colored mana, Infinite sacrifice triggers, Infinite death triggers
Activate Phyrexian Altar by sacrificing another creature that has an Aura attached to it.
When the creature dies, Cass triggers, returning an Aura that was attached to the creature from your graveyard to the battlefield attached to another creature you control.
When the Aura enters the battlefield, Ghostly Dancers triggers, creating a creature token.
Repeat.
Component Cards
How It Works
Activate Phyrexian Altar by sacrificing another creature that has an Aura attached to it.
When the creature dies, Cass triggers, returning an Aura that was attached to the creature from your graveyard to the battlefield attached to another creature you control.
When the Aura enters the battlefield, Ghostly Dancers triggers, creating a creature token.
Repeat.