msem-instigator

Profane Flames deals 4 damage to target creature or planeswalker.
Create an Idol token. (It's an artifact with “{1}, Sacrifice this artifact: Put a +1/+1 counter on target creature. Activate only as a sorcery.”)

Prophetic Flames deals 3 damage to target creature. If you control a Goblin, scry 2. (To scry 2, look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

As Protect the Treasure enters, choose offense or defense.
Whenever an artifact you control enters for the first time each turn,
• Offense — Protect the Treasure deals 2 damage to each opponent.
• Defense — Add {R}{R}.

Pulverize the Intruders deals 4 damage to any target. Create a 4/4 red Giant creature token. It gains haste until end of turn if you control a legendary creature.

Target creature gets +1/+0 and gains double strike until end of turn. (It deals both first-strike and regular combat damage.)

Enchant creature you control
When Purphoros's Benefaction enters, scry 2.
Enchanted creature gets +1/+1 and has haste.

Enchant creature
When Pursued Paranoia enters, scry 1.
Enchanted creature can't block.

Pyre Trap deals 2 damage to any target.
Spell mastery — If there are two or more instant and/or sorcery cards in your graveyard, Pyre Trap deals 4 damage instead, and you may cast it as though it had flash.

When Pyremage's Knack enters or leaves the battlefield, it deals 2 damage to any target.

Create two 1/1 red Elemental creature tokens. They get +1/+0 and gain haste until end of turn.
Flashback—{1}{R}, Sacrifice a creature. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

You may pay {1}{R}{R} and exile a red card from your hand rather than pay this spell's mana cost.
Pyretic Cyclone deals 3 damage to each creature.

Mill three cards. Pyromancer's Fury deals damage to any target equal to the number of instant and sorcery cards in your graveyard.

Choose one —
• Target creature gets +4/+2 until end of turn.
• Pyromantic Expertise deals 4 damage to target creature or planeswalker.

Pyrophoric Blast deals 3 damage to target creature. If that creature would die this turn, exile it instead.

Pyrostorm deals 10 damage divided as you choose among any number of targets.

Whenever you cast an instant or sorcery spell, you may conjure two duplicates of it into your main library, then shuffle. Then if there are two or more cards in your graveyard that share a name with that spell, copy it. You may choose new targets for the copy.

Exile twice X cards from the top of your library. During your next turn, you may play cards exiled this way.

Creatures you control get +2/+0.
Whenever a creature you control is dealt damage, it deals that much damage to you.

Enchant opponent
Whenever enchanted player is attacked, choose an attacking creature. Create a tapped and attacking token that's a copy of it. Exile the token at the beginning of the next end step.

Choose one —
• Radiant Outburst deals 3 damage to target creature.
• Harmonize twice. (To harmonize, trigger up to one harmony of a permanent you control.)

Target creature gets +2/+0 and gains trample and haste until end of turn.
Cycling {2} ({2}, Discard this card: Draw a card.)

(Add a quest counter as this enters. Sacrifice after 3.)
Whenever you attack, add a quest counter.
Create a Treasure token.
Create a tapped and attacking 5/5 red Dragon creature token with flying. Exile it at the beginning of the next end step.
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[+1]: Raidragos, the Vindictive deals 3 damage to target player or planeswalker and 1 damage to you.
[–2]: Until end of turn, creatures you control gain “{R}: This creature gets +1/+0 until end of turn.”
[–8]: You get an emblem with “Whenever you cast an instant or sorcery spell, this emblem deals 4 damage to each opponent.”

Rain of Blood deals 3 damage to each creature and each player.

Create two 1/1 red Soldier creature tokens with haste.