({5} magic symbol) ({U} magic symbol) ({U} magic symbol) ({U} magic symbol) ({U} magic symbol) plus enough mana to pay for commander tax, if applicable available.
Steps
Cast
Ember Island Production by paying its mana cost, targeting a creature you control.
Holding priority, cast
Naru Meha either from your hand or from the command zone by paying ({2} magic symbol) ({U} magic symbol) ({U} magic symbol) plus commander tax, if applicable.
When
Naru Meha enters the battlefield, it triggers, copying
Ember Island Production, targeting
Naru Meha.
Resolve the copy of
Ember Island Production, creating a token copy of
Naru Meha.
Put either
Naru Meha into your graveyard due to the legend rule.
Repeat from step 3.
Results
Infinite ETB.
Infinite creature tokens.
Infinite magecraft triggers.
Metadata
In 73 decks according to EDHREC.
Bracket Tag
This combo has been estimated to be Core (Bracket 2+).