({2} magic symbol) ({U} magic symbol) ({U} magic symbol) plus enough mana to pay for commander tax, if applicable available.
Steps
Cast
Irenicus's Vile Duplication 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
Irenicus's Vile Duplication, targeting
Naru Meha.
Resolve the copy of
Irenicus's Vile Duplication, creating a token copy of
Naru Meha that isn't legendary.
Repeat from step 3.
Results
Infinite creature ETB.
Infinite magecraft triggers.
Infinite creature tokens.
Metadata
Bracket tag
SpicyBracket 3-4+
Probably 3 or 4, but hard to classify
1
2
3
4
5
1 · Exhibition5 · cEDH
Bracket tags are estimated from the cards and results of each combo, as a guideline rather than a strict classification.