msem-instigator

Choose target creature, then choose two —
• Put a +1/+1 counter on the chosen creature.
• The chosen creature gains lifelink until end of turn.
• The chosen creature gains indestructible until end of turn.

Target creature gets +3/+3 and gains haste until end of turn.

Flying
When Lustrous Devout enters, choose one —
• Put a +1/+1 counter on Lustrous Devout.
• Create a colorless artifact token named Lotus Petal with “{T}, Sacrifice this artifact: Add one mana of any color.”

Attacking Pirates and Rogues you control get +1/+0.
{2}{U}: Tap target creature an opponent controls.

Archive 5 (As this enters, shuffle the top five cards of your main library into a new face up library. Sacrifice this after the archived library is empty.)
Whenever you draw a card from the archived library, until end of turn, you may spend mana as though it were mana of any color to cast spells with the same name as that card and spells with that name can't be countered.

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

Whenever you gain life for the first time each turn, reveal the top card of your library. If it's a land or creature card, put it into your hand. Otherwise, put it into your graveyard.

Menace
Whenever Margarete or another creature you control dies, up to one target creature you control cackles. (Put a menace counter on it. If it already has menace, it deals 1 damage to each opponent instead.)
Once each turn, when Margarete or another creature you control with menace dies, you may torment each opponent. (They lose 3 life unless they discard a card or sacrifice a nonland permanent.)

Draw a card.
Agonize (You may cast this card from your graveyard by putting a -1/-1 counter on a creature you control in addition to paying its other costs. Then exile this card.)

Whenever an opponent activates an ability of a permanent, if it isn't a mana ability, you gain 1 life and create a Gold token. (It's an artifact with “Sacrifice this artifact: Add one mana of any color.”)

Choose two —
• Target player creates a 1/1 blue Wizard creature token with prowess.
• Target player draws two cards, then discards two cards.
• Tap up to two target creatures.
• Target creature or player gains hexproof until end of turn.

Equipped creature gets +2/+1 and has flying.
Equip Wizard or Shaman {2}
Equip {4}

Whenever a creature dies, scry 1 and each opponent loses 1 life.

Activated abilities of nonland permanents cost {2} more to activate.

Magma Bolt deals 2 damage to any target. If a creature dealt damage this way would die this turn, exile it instead.

Harness (You may tap a creature you control as you cast this spell. If you do, reduce this spell's mana cost by that creature's power.)
Magnitude deals X damage to each player and each creature without flying that didn't harness it.

Flash (You may cast this spell any time you could cast an instant.)
When Majestic Hippocamp enters, target creature gets -2/-0 until end of turn.

(Choose only one work as a sorcery to add its abilities.)
When Make Art Not Friends enters, create a Treasure token.
{1}{R}: Never Again
Whenever you sacrifice an artifact, that artifact deals 1 damage to each opponent.
{4}{R}{R}: Over It All
At the beginning of combat on your turn, you may have an artifact you control become a 6/6 Golem artifact creature until end of turn.

Enchant creature
When Make Way enters, draw a card.
Enchanted creature can't block.

Target player discards two cards unless they discard a noncreature, nonland card.

You gain 4 life.
Recruit. (Create a 0/0 white Soldier Army creature token, then put a +1/+1 counter on each Army you control.)

Remove all counters from target permanent with counters. If it's a creature or enchantment, destroy it.

Prowess
When Maktali Visionary enters, investigate. (Create a colorless Clue artifact token with “{2}, Sacrifice this artifact: Draw a card.”)

Enchant creature
Enchanted creature gets +2/+0.
When Malignance is put into a graveyard from the battlefield, return Malignance to its owner's hand.
Lifecycle {3} ({3}, Discard this card: Create two tapped 1/1 colorless Elemental creature tokens.)

Enchant creature
Enchanted creature gets -3/-3.