({5} magic symbol) ({U} 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 ({3} magic symbol) ({U} magic symbol) , targeting any 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) and commander tax, if applicable.
Naru Meha enters the battlefield, creating a copy of Irenicus's Vile Duplication, targeting Naru Meha.
Resolve the copy of Irenicus's Vile Duplication, creating a nonlegendary token copy of Naru Meha.
The Naru Meha token enters the battlefield, creating a copy of Irenicus's Vile Duplication, targeting Naru Meha.