msem-instigator

Target player reveals their hand. You choose a nonland card from it. That player discards that card. You lose 1 life.
Investigate. (Create a colorless Clue artifact token with “{2}, Sacrifice this artifact: Draw a card.”)

Counter target spell unless its controller pays {2}.
Put a +1/+1 counter on a creature you control.

Scry 1, then draw a card.
Acquiesce (If you cast this spell from your hand, exile it as it resolves. When one or more creatures you control deal combat damage to an opponent, you may cast this card from exile without paying its mana cost.)

You may tap or untap target permanent.
Scry 1.

When Pulse Seeker enters, create a 1/1 black and red Vampire creature token with menace.
Equipped creature gets +1/+0.
Equip {1}

Punish Aggression deals 4 damage to target attacking or blocking creature.

Destroy target tapped creature. Scry 1. (To scry 1, look at the top card of your library. You may put that card on the bottom of your library.)

Choose one —
• Purging Light deals 3 damage to target attacking or blocking creature. If that creature would die this turn, exile it instead.
• Exile target enchantment.

Kicker {W} (You may pay an additional {W} as you cast this spell.)
When Purging Priestess enters, you may destroy target enchantment. If Purging Priestess was kicked, you gain life equal to that enchantment's mana value.

{G}: Exile target card from a graveyard. You gain 1 life and Purging Watchkeeper gets +1/+1 until end of turn.

Chronicle (As this enters and after your draw step, add a lore counter. Stop after III.)
[Lore I-II] Purphoros's Gemback deals 1 damage to target player or planeswalker.
[Lore III] Create a Treasure token. (It's an artifact with “{T}, Sacrifice this artifact: Add one mana of any color.”)

First strike
Purpose Elemental gets +1/+0 for each Aura attached to it.

Enchant creature
Enchanted creature gets +2/+2 and has “Whenever this creature deals combat damage to a player, return up to one target creature card from your graveyard to your hand.”

Choose one —
• You may sacrifice a creature. When you do, it deals damage equal to its power to any target.
• Target creature gets +4/+4 and gains trample until end of turn.
• Destroy target artifact.

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

Whenever another Goblin you control attacks, you may pay {1}. If you do, it gets +1/+0 until end of turn.

Each creature you control with a +1/+1 counter on it has trample.
{1}{R}{G}: Pyresong Aspirant deals 1 damage to target creature. You may have that creature gain hexproof until end of turn.

{T}: Pyrespike Familiar deals 1 damage to target player or planeswalker.
Menagerie — As long as there are five or more creature types among creatures you control, if a red source you control would deal damage, it deals that much damage plus 1 instead.

Harmony — Pyrodancer deals 1 damage to each opponent.
When Pyrodancer enters, harmonize. (Trigger up to one harmony of one permanent you control.)

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.

Reach
Stampede — Whenever Qasali Quiverguard and a creature with greater power attack, untap all attacking creatures.

You may change any targets of target spell that targets you or a permanent you control. If you don't, counter that spell.

{1}, Sacrifice another creature: Qi Harvester gains your choice of deathtouch or indestructible until end of turn. If the sacrificed creature was in Qi Harvester's pack, draw a card. (Two or more creatures you control with equal power are in a pack.)

Choose one —
• Qi-Long Gust deals 3 damage to any target.
• You and permanents you control gain hexproof until end of turn.