msem-instigator

Equipped creature gets +2/+2.
Equip {3}

{6}: Create a 1/1 black Worm creature token.

Outfitted Ibex has menace as long as it's embattled. (A creature is embattled if it has a counter on it or a permanent you control attached to it.)

{X}{X}, {T}: Draw X cards, then choose X cards in your hand and discard the rest.

[+2]: You may discard a card. If you do, draw two cards.
[–3]: Return target creature card from your graveyard to the battlefield. It gains haste. Return it to your hand at the beginning of the next end step.
[–7]: Discard your hand, then draw seven cards. You may put an Edarna planeswalker card from your hand or graveyard onto the battlefield.

Reveal the top three cards of your library. Put up to one creature or Revelation card from among them into your hand and the rest into your graveyard.
Coalesce {6}{G} (You may cast this from your graveyard for {6}{G}. If you do, it enters as a Horror creature after it resolves. Exile it if it would leave the battlefield or not resolve.)
Hold Life in Taloned Grasp's power is equal to the number of cards in your graveyard.

Motivate 2 (When this creature enters, you may motivate target creature with less power than this by putting two +1/+1 counters on it.)
{1}{W}: Target creature with a +1/+1 counter on it gains lifelink until end of turn.

All creatures get -2/-2 until end of turn. At the beginning of the next end step, if three or more creatures died this turn, create two tapped Treasure tokens.

Target creature you control becomes a white Bear with base power and toughness 3/5, hexproof, and double strike until end of turn. Whenever it deals combat damage to a player this turn, draw a card.

Transcend (Activate as a sorcery to gain the next type and a +1/+1 counter.)
Flying
{2}{U}{U}: Wizard — Draw a card, then discard a card. Mizuki gains “Noncreature spells you cast cost {1} less.”
{6}{U}{U}: Avatar — Draw two cards. Mizuki gains “Whenever Mizuki attacks, you may cast a noncreature spell from your hand without paying its mana cost.”

Create a tapped colorless enchantment land token named Paradise with hexproof and “{T}: Add one mana of any color.”
Flashback—{1}{G}, Sacrifice a creature or land. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Enchant creature
Enchanted creature has “Whenever this creature deals damage to an opponent, you may draw a card.”

Equipped creature gets +2/+2.
Whenever equipped creature attacks, creature spells you cast cost {2} less to cast this turn.
Equip {2}

Deathtouch

Whenever a Survivor you control enters, you may draw a card. If you do, discard a card.

As an additional cost to cast this spell, you may tap any number of untapped tokens you control. This spell costs {1} less to cast for each token tapped this way.
Whenever Organic Dreadnought enters or attacks, tap target permanent an opponent controls. That permanent doesn't untap during its controller's next untap step.

Trample
Whenever this creature attacks, if you control three or more other creatures, it gets +2/+1 until end of turn.

Flying
{U}, Sacrifice Willow Spirit: Counter target spell or ability that targets you or a creature you control.

Target creature gets +2/+2 until end of turn. Draw a card if that creature has a counter on it.

Flying
Windwise Courier has indestructible as long as you've revealed a card from your hand this turn.

All creatures get -2/-2 until end of turn. Remove two loyalty counters from each planeswalker.

Eager Observer gets +1/+1 as long as you control an artifact or enchantment.

Enchant creature
Enchanted creature gets +2/+3 and has trample.

Target player mills three cards for each poison counter they have.

As long as a creature you control has flying, creatures you control have flying. The same is true for first strike, double strike, deathtouch, haste, hexproof, indestructible, lifelink, menace, reach, trample, and vigilance.