Spellweaver Helix | Dragon's Approach | Coveted Prize

Cards

You have at least one more copy of
Dragon's Approach in your hand, and at least one more copy in your library.
You have a full party.

Cast
Dragon's Approach by paying ({2} magic symbol) ({R} magic symbol) .
Spellweaver Helix triggers, causing you to cast a copy of
Coveted Prize without paying its mana cost.
Resolve the copy of
Coveted Prize, causing you to search your library for a Dragon's Apporach and put it into your hand, and then cast
Dragon's Approach without paying its mana cost.
Repeat from step 2 until you have cast every
Dragon's Approach in your library.
Resolve a
Dragon's Approach, dealing 3 damage to each opponent, and allowing you to exile it and four other cards named
Dragon's Approach from your graveyard to search your library for a Dragon creature card and put it onto the battlefield.
Repeat step 5 for each remaining
Dragon's Approach.

Cast every
Dragon's Approach in your library and hand without paying their mana costs.
Near-infinite damage.
Near-infinite magecraft triggers.
Near-infinite storm count.