msem-instigator

Flying
When Cormoran, Raven Monarch enters, you may put target creature card with mana value 3 or less from a graveyard onto the battlefield under your control.

Draw three cards.
Lifecycle {3} ({3}, Discard this card: Create two tapped 1/1 colorless Elemental creature tokens.)

Reach
{T}: Add one mana of any color. Spend this mana only to cast an Azra or Demon spell, and that spell can't be countered.

This spell costs {2} less to cast if you control a Scout.
Search your library for up to two basic land cards, reveal those cards, and put one onto the battlefield tapped and the other into your hand, then shuffle.

{2}{B}, Sacrifice Innocuous Sidekick and another creature: Create a 4/4 black Horror creature token with menace. Activate only as a sorcery.

Other creatures you control get +1/+0.
{R}{W}: Create a 1/1 red and white Warrior creature token. That token gains haste. Exile it at the beginning of the next end step. Activate only as a sorcery.

Codex — Eleventh Hour Breakthrough; Mentorb; Ostracizer Orb; Possibility Engine; Sealed Riftway; Self Replication. (As this enters, conjure its contents into a shuffled face-up additional library.)
{T}, Sacrifice an artifact: Draw a card from the codex's library.

When Sunset Cliffs Lawman enters, you may post a bounty on target creature. (Put a bounty counter on that creature. It has “When this creature dies, each opponent draws a card” as long as it has a bounty counter on it.)

Peaceful Passage enters tapped.
{T}: Add {G} or {W}.
{1}, {T}: Add one mana of any color.

At the beginning of each end step, put a +1/+1 on Quickstep Ranger for each +1/+1
counter you've put on creatures under your control this turn.
Surpass {5}{G} ({5}{G}: Transform this creature. This costs {1} less to activate for each counter
on it. Activate only as a sorcery.)

Flying, haste
Whenever Eavesknocker attacks, another target attacking creature gets +1/+1 until end of turn.

{T}: Add one mana of any color.
{3}, {T}, Sacrifice Coveted Heirloom: Draw a card.
Tap three untapped artifacts you control: Return Coveted Heirloom from your graveyard to the battlefield.

Kernel Barrage deals damage to target creature or planeswalker equal to the number of spells you've cast this turn (including this one).
Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Target creature gets -3/-2 until end of turn.

Transcend (Activate as a sorcery to gain the next type and a +1/+1 counter.)
Flying
{1}{U}: Demigod — Whenever a creature you control deals combat damage to a player or planeswalker this turn, draw a card.
{3}{U}{U}: God — Create an X/X blue Spirit creature token, where X is the number of cards in your hand. Put a flying counter on it.

Ungoverned Sneak can't be blocked by creatures with greater power.
Attain {3}{U} ({3}{U}: Transform this. Spend at least three colors of mana to activate this, and only as a sorcery.)

Ammbradu Goliath gets -4/-4 for each card in your hand.

Whenever Titanic Hardshell deals combat damage to a player, draw a card.
{2}{G}: Titanic Hardshell gains trample until end of turn.

Choose one or both —
• Audition for green. (Create a 1/1 Construct Actor creature token, a Scout Role giving 2/3 and vigilance, or a Warrior Role giving 3/2 and trample. Roles replace older ones.)
• Target creature you control fights target creature you don't control.

Whenever a land you control enters, untap Ageless Wanderer.
{1}, {T}: Add one mana of any color.

Hibernation Den enters tapped.
{T}: Add {W}.
{W}, {T}: You gain 1 life. Activate only as a sorcery and only if you control a white creature.

When Defiant Bristles dies, put a +1/+1 counter on target creature.

Each player can't untap more than one nonbasic land during their untap step.

When Calamity Rose enters, each player chooses a number of artifacts they control equal to the number of artifacts controlled by the player who controls the fewest, then sacrifices the rest. Players sacrifice creatures, enchantments, lands and planeswalkers the same way.

Prowess
{1}{U}, Tap an untapped Wizard you control: Target creature gets -3/-0 until end of turn.