msem-instigator

When Performers of Purpose enters, if a permanent you controlled left the battlefield this turn, create a 1/1 colorless Construct Actor creature token.
As long as it's your turn, Performers of Purpose has first strike.

Double strike, menace
{R}{W}, Exile Picturesque Champion from your graveyard: Target creature you control gains double strike and menace until end of turn. Activate only as a sorcery.

Flying
When Pyreheart Angel enters, exile target creature an opponent controls with mana value 3 or less until Pyreheart Angel leaves the battlefield.
When Pyreheart Angel leaves the battlefield, it deals 3 damage to each opponent.

When Inspired Blade enters, if you control another Warrior, draw a card.

Flash
If a spell or ability would cause an opponent to create a token, instead you create that token and that player creates a 1/1 blue Fish creature token.

When Fallen Dynasty Jailer enters, target opponent exiles a card from their hand. When Fallen Dynasty Jailer is no longer on the battlefield, the exiled card's owner puts it on the top or bottom of their library.

As Reflective Stalker enters, choose a noncreature card name.
When Reflective Stalker enters, if it was cast, create a token that's a copy of it.
Spells your opponents cast with the chosen name cost {2} more to cast.

When Autumnal Resonants enters, harmonize. (Trigger up to one harmony of a permanent you control.)
Harmony — Create a 3/3 red and green Elemental creature token with haste.

At the beginning of each combat, target creature you control gets +3/+3 until end of turn.
Revive {2}{B}{R}{G} ({2}{B}{R}{G}, Exile this card from your graveyard: Create a token that's a copy of this card, except it has no mana cost. Activate this ability only any time you could cast a sorcery.)

Flying, trample
Prismatic — Whenever you cast a multicolored spell, put a +1/+1 counter on Azure Caterwauler.

Alquyut Mount can't attack or block alone.

When Faceless Animist dies, you may return another target colorless card from your graveyard to your hand.

Flying
Whenever a player shuffles their library, Gilded Wyvern deals 2 damage to that player.

When Haunted Heirloom dies, create a Treasure token.

When Patrol Droid dies, if it attacked this turn, conjure a card named Data-Point into your hand. (It's a sorcery that costs {2} with “Draw a card.”)

Vigilance
{2}{W}: Patrol Ship gets +0/+3 until end of turn. Activate only once each turn.
Cycling {2/W} ({2/W}, Discard this card: Draw a card.)

{2}: Add one mana of any color.

When Recon Drone enters, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle. Then if you did, put a card from your hand on the bottom of your library.

When Scrapgear Contraption dies, you may put a +1/+1 counter on target creature.

Vigilance, trample

Scrounging Dunes enters tapped.
{T}: Add {W} or {B}.
{1}{W}{B}: Until end of turn, Scrounging Dunes becomes a Wurm creature with lifelink in addition to its other types.
Scavenge {1}{W}{B}

When Sentient Contraption enters, create a 1/1 colorless Thopter artifact creature token with flying.

When Silt Miner enters, you may salvage an artifact or creature card. (Exile one from your graveyard until this creature leaves the battlefield. Whenever this creature deals combat damage to a player, put a card it salvaged into your hand.)

Flying
Whenever a player shuffles their library, Steamquiver Strix deals 2 damage to that player.

Prowess
Pay 2 life: Change a target of target spell or ability to Straw Intellectual.