Whenever you cast a spell, put a lore counter on Exhilarating Prescience. At the beginning of your upkeep, exile the top X cards of your library, where X is the number of lore counters on Exhilarating Prescience. You may play those cards until your next turn.
When Extraction Mercenary enters, if you attacked this turn, crystallize. (Put a +1/+1 counter on a creature you control or create a Treasure.) {4}{R}{R}: Extraction Mercenary deals 3 damage to any target.
Choose one — • Festival Sabotage deals 2 damage to any target. • Audition for red. (Create a 1/1 Construct Actor creature token, a Warrior Role giving 3/2 and trample, or a Wizard Role giving 2/2 and prowess. Roles replace older ones.)
Experience (Whenever this creature attacks, if it has fewer than three +1/+1 counters on it, put a +1/+1 counter on it.) Whenever Flamecloaked Artisan attacks, exile the top card of your library. If it's a nonland card with mana value less than Flamecloaked Artisan's power, you may cast it this turn, and you may cast it as though it had flash.
Target instant or sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost. (You may cast that card from your graveyard for its flashback cost. Then exile it. Mana cost includes color.)
Choose one — • Fuel for the Fire deals 5 damage to target creature or planeswalker. Its controller creates a tapped Treasure token. If a permanent dealt damage this way would die this turn, exile it instead. • Exile target artifact. Its controller creates a tapped Treasure token.
Trample Whenever you cast a noncreature spell, crystallize. If you create a Treasure this way, Heartforge Savant deals 1 damage to you for each Treasure you've created this turn. (Put a +1/+1 counter on a creature you control or create a Treasure.)
{2}{R}, {T}, Exert Hinterland Ritualist, Sacrifice another creature: Hinterland Ritualist deals damage equal to the sacrificed creature's power to any target. Activate only as a sorcery. (An exerted creature won't untap during your next untap step.)
(Activate each submodule once as a sorcery. When this enters, activate one submodule for free.) {R}{R}{R}: Bold Any player may have Identity Module deal 5 damage to them. If no one does, draw three cards. {R}{R}{R}: Brash Identity Module deals 3 damage to any target. {R}{R}{R}: Burning Identity Module gains “Players can't gain life” and “At the beginning of each player's upkeep, Identity Module deals 2 damage to that player.”
Once each turn for each card type, when you cast a spell with that type, you may copy it. You may choose new targets for the copy. If it's a permanent spell, the copy gains haste and “At the beginning of the end step, sacrifice this permanent.” Whenever a permanent you control dies, it deals 1 damage to each opponent.
Cadence (Whenever you cast a spell, if its mana value is greater than this creature's power, put a +1/+1 counter on this creature.) {1}{R}, Remove a +1/+1 counter from Lt. Daisy Saxon: She deals 2 damage to target player or planeswalker.
At the beginning of combat on your turn, create a 1/1 red Cleric creature token with haste. At the beginning of your end step, sacrifice each Cleric token you control unless you've cast an instant or sorcery spell this turn.
Stampede — Whenever Nacatl Skirmisher and a creature with greater power attack, creatures you control get +1/+0 until end of turn. {R}, Sacrifice Nacatl Skirmisher: Destroy target artifact.
Whenever Neon Claw Knight enters or attacks, choose one. Create a Function token with that effect. (It's an enchantment. As you cast an instant or sorcery spell, sacrifice any number of Functions to add their effects to that spell.) • This spell can't be countered. • This spell costs {R} less to cast. • If this spell would deal damage to a permanent or player, it deals that much damage plus 1 instead.
Oathbreaker Orc attacks each combat if able. Whenever Oathbreaker Orc attacks, it deals 2 damage to defending player unless that player sacrifices a permanent.
Choose one — • Paint with Starflame deals 3 damage to target player or planeswalker. Scry 1. • Create a 2/2 red Elemental Shaman creature token with haste and “Whenever this creature attacks, scry 1.”
Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.) Flying Dragon spells you cast have cascade.