msem-instigator

When Occult Mastermind enters, create two 2/2 black Zombie creature tokens. When Occult Mastermind is no longer on the battlefield, sacrifice two Zombies.

{3}{U}, Exile a card from your graveyard: Omen Serpent can't be blocked this turn.

Destroy target artifact. Scry 1.

Outer Wall Guard enters with a +1/+1 counter on it if you gained life this turn.

Prowess
Foresight — When Outpost Merchant enters, if you've drawn two or more cards this turn, create two 1/1 white Bird creature tokens with flying.

Target player reveals their hand. You choose a nonland card from it. That player discards that card unless they discard three other cards.

Enchant creature
Prevent all damage that would be dealt by enchanted creature.

You draw two cards, lose 2 life, then mill two cards.

Equipped creature gets +2/+0 and has first strike.
Equip Cleric or Knight {1}
Equip {3}

Whenever you cast a spell with • in its text, you may pay {2} any number of times. For each time you do, copy that spell. You may reselect modes and choose new targets for the copy.
{2}, Sacrifice Palaisun, Maktali's Opus: Draw a card.

Return target creature card from your graveyard to the battlefield. That creature is a black Elemental in addition to its other colors and types. Upgrade it. (Give it one of the listed counters it doesn't already have.)
• +1/+1
• Flying
• Lifelink

{T}: Add {C}.
{T}, Pay 1 life: Add {R}.
{4}{R}, {T}, Sacrifice Path of Fire: Path of Fire deals 3 damage to target player or planeswalker. Activate only as a sorcery.

Patient Optimizer gets +4/+4 as long as it has four or more kinds of counters on it.
Whenever you draw your second card each turn, upgrade Patient Optimizer. (Give it one of the listed counters it doesn't already have.)
• +1/+1
• Flying
• Hexproof
• Prowess

Flying, lifelink

Flying
Whenever Phantasmal Owl attacks, it gets +1/+1 until end of turn for each other creature you control with flying.

When Pilgrim's Packbeast enters, reveal the top five cards of your library. You may put an enchantment or land card from among them on top. If you do, draw a card. Put the rest on the bottom in any order.

{2}, {T}: Put a +1/+1 counter on target creature. Activate only as a sorcery.

Align X (Choose modes with total ★ less than or equal to X. You may choose modes multiple times.)
• ★ — Target player reveals their hand and discards a nonland card.
• ★★ — Destroy target creature.
• ★★★★★ — Return each creature card in target player's graveyard to the battlefield under your control.

Untap target creature and upgrade it. (Give it one of the listed counters it doesn't already have.)
• +1/+1
• Flying
• Hexproof

Enchant creature
You choose whether enchanted creature attacks each combat rather than its controller (after its controller chooses which of their other creatures attack. That player still chooses the player or planeswalker it attacks.)

If one or more +1/+1 counters or quest counters would be put on a permanent you control, that many plus one of those counters are put on it instead.

(Add a quest counter as this enters. Sacrifice after 3.)
Whenever a creature you control enters, add a quest counter.
1, 2 — Create a Treasure token.
3 — Creatures you control get +2/+2 and gain trample and haste until end of turn.
​

{2}: Add one mana of any color.

Reveal the top card of your library and put that card into your hand. If it's a permanent card with mana value X or less, instead you may put it onto the battlefield. If you do and fewer than seven permanents have been put onto the battlefield this way, repeat this process. X can't be 0.

Search your library for a nonland card, reveal it, and put it into your hand, then shuffle. Until the end of your next turn, spells you cast with the same name as that card cost {3} less to cast.