Narset's Reversal | Flare of Duplication

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 at most available.

Cast any instant or sorcery by paying its mana cost.
Holding priority, cast
Flare of Duplication 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
Flare of Duplication targeting the spell cast in step 1 and returning the original
Flare of Duplication to your hand.
Cast
Flare of Duplication by paying its mana cost, copying the copy of
Flare of Duplication, targeting the copy of
Flare of Duplication.
Resolve the copy of
Flare of Duplication, creating a copy of
Flare of Duplication targeting the copy of
Flare of Duplication.
Repeat step 5.

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