Blazing Firesinger // Seething Song | Emiel the Blessed

Cards

All permanents on the battlefield (
Will Kenrith with two or more loyalty counters on it).

Activate
Will Kenrith's second loyalty ability by removing two loyalty counters from it, causing you to draw two cards and causing instant, sorcery and planeswalker spells you cast to cost ({2} magic symbol) less to cast until your next turn.
Cast a copy of
Seething Song from exile by paying no more than ({1} magic symbol) ({R} magic symbol) , adding ({R} magic symbol) ({R} magic symbol) ({R} magic symbol) ({R} magic symbol) ({R} magic symbol) .
Activate
Emiel the Blessed by paying ({3} magic symbol) , blinking
Blazing Firesinger, which enters prepared.
Repeat from step 2.

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