Stormsplitter | Sorcerer Class | Whispers of the Muse

Cards

({16} magic symbol) at most, depending on how many
Stormsplitters and/or other creatures you control without summoning sickness available.

Activate any creature you control that does not have summoning sickness by tapping it, adding ({U} magic symbol) that can only be spent to cast an instant or sorcery spell, or to gain a Class level.
Repeat step 1 until you control no untapped creatures without summoning sickness, or until you have ({5} magic symbol) ({U} magic symbol) available, whichever comes first.
Cast
Whispers of the Muse with buyback by paying ({5} magic symbol) ({U} magic symbol) .
Each
Stormsplitter you control triggers, and
Sorcerer Class's third ability triggers if it is level 3.
Resolve the
Stormsplitter triggers, creating that many token copies of
Stormsplitter.
Resolve the
Sorcerer Class trigger, if applicable, dealing damage to any target equal to the number of instant and/or sorcery spells you've cast this turn.
Resolve
Whispers of the Muse, causing you to draw a card, and return
Whispers of the Muse to your hand.
Repeat.

Infinite card draw.
Infinite draw triggers.
Near-infinite damage.
Near-infinite ETB.
Near-infinite storm count.
Near-infinite LTB.
Near-infinite magecraft triggers.
Near-infinite creature tokens with haste.
Near-infinite blue mana that can only be spent to cast instant and/or sorcery spells.
Near-infinite red mana that can only be spent to cast instant and/or sorcery spells.

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