msem-instigator

Enchant creature
Enchanted creature gets +1/+1, has flying and lifelink, and is a legendary artifact in addition to its other types.

Adorned — At the beginning of your end step, if Venerated Knight is equipped and/or enchanted, put a +1/+1 counter on it.

Whenever Halford enters or attacks, an opponent chooses one. When they choose one that has already been chosen, copy that ability.
• That opponent loses 2 life and you gain 2 life.
• That opponent sacrifices a permanent.
• That opponent discards a card. If they can't, draw a card.

Frenzy 1 (Whenever this creature attacks and isn't blocked, it gets +1/+0 until end of turn.)
Wild Haploc has first strike as long as it's attacking.

Prevent all combat damage that would be dealt this turn by creatures other than Citizens and Peasants.

Look at the top four cards of your library. Put one of those cards into your hand and the rest into your graveyard.
Flashback {2}{B}{G} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

When Goblin Cutpurses enters, target player discards a card, then draws a card.

Legacy (You may play this side of this card only from your graveyard. Exile it if it would be put into a graveyard or not resolve.)
Each opponent sacrifices a creature for each spite counter they have. If they didn't sacrifice any creatures this way, they discard that many cards instead.

Enchant nonland permanent
Enchanted permanent can't attack and its activated abilities can't be activated.

Inquirer, Roaming Rover attacks each combat if able.
Whenever Inquirer deals damage to an opponent, draw a card.

(Transform this if it's not attached to a creature. Pay {2}{W} as a sorcery to unattach it.)
Enchant creature you control
Trusty Steed's rider gets +2/+2.

Create a 1/1 blue Otter creature token with “Whenever this creature deals combat damage to a player, draw a card.”
Wanderlust — If you control four or more differently named lands, create two of those tokens instead.

If you would draw a card, you may instead choose creature or land and exile cards from the top of your library until you exile a card of the chosen kind. Put that card into your hand and put all other cards exiled this way on the bottom of your library in a random order.

Flying, first strike
Vanishing (At the beginning of your upkeep, remove a time counter from this permanent. When the last is removed, sacrifice it.)
Fadefeather Griffin enters with a time counter on it for each other creature you control.

Enchant creature
You control enchanted creature.
Enchanted creature gets +1/+1 and is an artifact in addition to its other types.

Lieshi Shrine enters tapped.
{T}: Add {W} or {B}.
{W/B}, {T}, Sacrifice Lieshi Shrine: Put a +1/+1 counter on target creature you control. Activate only as a sorcery.

{1}{R}, {T}, Sacrifice an artifact: Elise, Maktali Prodigy deals 2 damage to any target.
{1}{U}, {T}, Sacrifice an artifact: Return target nonland permanent to its owner's hand.
{3}{U}{R}, {T}, Sacrifice three artifacts: Discard your hand, then draw seven cards.

Flying
Whenever you gain life, target creature an opponent controls gets -1/-1 until end of turn.

Enchant creature
Enchanted creature gets +2/+2.
Sacrifice Steady Reminiscence: Enchanted creature gains indestructible until end of turn.

{T}: Add one mana of any type that a land an opponent controls could produce.

Target player reveals their hand. You choose a nonland card from it. That player discards that card. 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.”)

Fires of Renewal deals 2 damage to each creature.
Create a Treasure token.

Equipped creature gets +0/+3 and can't attack.
{5}: Attach Weight of Sin to target creature you don't control.
Equip {1}

Vigilance
{X}{G}, {T}: Ylda, the Wild Soul becomes a copy of target creature you control with mana value X, except it has this ability and vigilance. Activate only as a sorcery.