Prison Break in hand or in your graveyard (was discarded this turn).
Notable Prerequisites
You have a creature card in your graveyard.
Mana Needed
({6} magic symbol) ({U} magic symbol) ({U} magic symbol) ({B} magic symbol) at most available.
Steps
Cast
Prison Break either from your hand by paying ({4} magic symbol) ({B} magic symbol) or from your graveyard for its mayhem cost by paying ({3} magic symbol) ({B} magic symbol) , targeting any applicable target.
Holding priority, cast
Naru Meha by paying its mana cost.
When
Naru Meha enters, it triggers, targeting
Prison Break.
Holding priority, activate
Ashnod's Altar by sacrificing
Naru Meha.
Resolve the
Naru Meha trigger, copying
Prison Break, with the copy targeting
Naru Meha.
Resolve the
Prison Break copy, returning
Naru Meha from your graveyard to the battlefield.
Repeat from step 3.
Notes
The cost can be reduced by ({1} magic symbol) if
Prison Break is in your graveyard.
Results
Infinite ETB.
Infinite sacrifice triggers.
Infinite death triggers.
Infinite colorless mana.
Infinite magecraft triggers.
Infinite LTB.
Metadata
In 0 decks according to EDHREC.
Bracket Tag
This combo has been estimated to be Exhibition (Bracket 1+).