msem-instigator

Concord — This spell costs {4} less to cast if there are four or more card types among permanents you control.
Vigilance, trample, lifelink, haste

When Secluded Monument enters, choose a color.
Whenever you cast a spell of the chosen color, Secluded Monument becomes a 5/5 Golem creature until end of turn.

When Scabrous Automaton dies, draw a card, then add {C}{C}. Until end of turn, you don't lose this mana as steps and phases end.

Equipped creature gets +2/+0 and can't be blocked.
Whenever a Rogue you control attacks, you may pay {1}. If you do, attach Saber of Defiled Rites to it.
Equip {5}

When Runed Servitor dies, each player draws a card.

At the beginning of combat on your turn, choose one that hasn't been chosen —
• Creatures you control get +1/+1 and gain flying until end of turn.
• Creatures you control get +1/+1 and gain lifelink until end of turn.
• Creatures you control get +3/+3 until end of turn.
• Sacrifice each creature you control.

Promenade Banner enters tapped.
{1}, {T}: Creatures you control get +1/+1 until end of turn.

When Prismatic Basilisk enters, you may search your library for a permanent card with mana value 1 or less, reveal it, put it into your hand, then shuffle.
{2/W}{2/U}{2/B}{2/R}{2/G}: Prismatic Basilisk gets +5/+5 and gains flying until end of turn.

Equipped creature gets +2/+1 and has flying.
Equip {3}

Flying

Flying
{2/B}{2/B}, {T}, Sacrifice Meddling Gargoyle: Target opponent reveals their hand. You choose a nonland card from it. That player discards that card. Activate only as a sorcery.

{X}, {T}, Sacrifice Macabre Ruins: Target creature gets -X/-X until end of turn.

Trample
{2/G}{2/G}, {T}: Put two +1/+1 counters on Laden Bruiser.

When Kaleidostone enters, draw a card.
{5}, {T}, Sacrifice Kaleidostone: Add {W}{U}{B}{R}{G}.

Desecrate (When this creature enters, you may sacrifice an artifact or land.)
When Igneous Pulverizer desecrates a permanent, destroy target nonland permanent.

Flying
Whenever Idol of the Dead God deals combat damage to a player, search your library for any number of creature cards named Idol of the Dead God, reveal them, put them into your hand, then shuffle.

Equipped creature has hexproof.
Whenever equipped creature dies, draw a card.
Equip {2}

When Gulch Custodian enters, return an artifact you control to its owner's hand.

Equipped creature has vigilance and can block an additional creature each combat.
Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

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

When Gemplate Golem enters or dies, put a +1/+1 counter on target creature you control.

When Gateway Statues enters, put a +1/+1 counter on target creature you control.
{T}: Add one mana of any color.

Desecrate (When this creature enters, you may sacrifice an artifact or land.)
When Furnace Golem desecrates a permanent, you may return target artifact card from your graveyard to your hand.

Desecrate (When this creature enters, you may sacrifice an artifact or land.)
When Facsimile Sculptor desecrates a permanent, create a token that's a copy of another target creature you control, except it's an artifact (not a creature).

{T}, Sacrifice a creature: Search your library for a creature card with mana value 1, put it onto the battlefield, then shuffle. Activate only as a sorcery.