Narset's Reversal | Reiterate

Cards

You have an additional instant or sorcery card in hand with valid targets as applicable.

({1} magic symbol) ({U} magic symbol) ({U} magic symbol) ({R} magic symbol) ({R} magic symbol) plus enough mana to cast the additional instant or sorcery available.

Cast any instant or sorcery by paying its mana cost.
Holding priority, cast
Reiterate by paying its mana cost, targeting the instant or sorcery cast in step 1.
Cast
Narset's Reversal by paying ({U} magic symbol) ({U} magic symbol) , copying
Reiterate targeting the spell cast in step 1 and returning the original
Reiterate to your hand.
Cast
Reiterate by paying its mana cost, copying the copy of
Reiterate, targeting the copy of
Reiterate.
Resolve the copy of
Reiterate, creating a copy of
Reiterate targeting the copy of
Reiterate.
Repeat step 5.

This combo has been estimated to be Exhibition (Bracket 1+).