Cast Against All Odds by paying ({3} magic symbol) ({W} magic symbol) , choosing the first mode targeting any artifact or creature you control, and optionally the second mode.
Holding priority, cast Naru Meha by paying ({2} magic symbol) ({U} magic symbol) ({U} magic symbol) .
Naru Meha enters the battlefield, copying Against All Odds, targeting Naru Meha.
Resolve the copy of Against All Odds, blinking Naru Meha and returning an artifact or creature with mana value three or less from your graveyard to the battlefield if the second mode was chosen.
Repeat from step 3.
Results
Infinite ETB.
Infinite LTB.
Infinite magecraft triggers.
Return all artifacts and creatures with mana value three or less from your graveyard to the battlefield.