msem-instigator

When Horizon Gazer enters the battlefield, reveal the top two cards of your library. Put a noncreature card revealed this way into your hand and the rest into your graveyard.
Ascend {3}{G} ({3}{G}: Exile this creature, then return it to the battlefield transformed. Ascend only as a sorcery.)

Insightful Blow deals 3 damage to target attacking or blocking creature. Investigate. (Create a colorless Clue artifact token with “{2}, Sacrifice this artifact: Draw a card.”)

Deathtouch

Menace

When Kin of the Rainforest enters the battlefield, you may put a land card from your hand onto the battlefield.
Ascend {1}{R} ({1}{R}: Exile this creature, then return it to the battlefield transformed. Ascend only as a sorcery.)

When Kofe-District Scholar enters the battlefield, draw a card. If Kofe-District Scholar's paranoia cost was paid, draw two cards instead.
Paranoia {1}{U}{U} (You may cast this spell for its paranoia cost when a permanent you control leaves the battlefield.)

Trample
Other creatures you control get +1/+1 and have trample.

Whenever Leyline Tracer attacks, exile the top card of your library. Until end of turn, you may play that card.
Ascend—{B}, Discard two cards. ({B}, Discard two cards: Exile this creature, then return it to the battlefield transformed. Ascend only as a sorcery.)

Pay 2 life: Lifecraft Aberration gains indestructible until end of turn.
Pay 3 life: Lifecraft Aberration gets +1/+1 until end of turn.

Kindle 4—{4}{U}{U} ({4}{U}{U}, Exile this card from your graveyard: Create four 1/1 colorless Elemental creature tokens. Kindle only as a sorcery.)

Flying
If Liguno, Who Transcends All or another permanent you control would be put into a graveyard from the battlefield, exile it instead. Return that card to the battlefield under its owner's control at the beginning of the next end step.

Flash
Flying
When Living Antimagic enters the battlefield, counter target spell unless its controller pays {2}.
Spells that target Living Antimagic cost {2} more to cast.

{1}, {T}, Sacrifice Looking Glass: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.
Kindle 1—{1} ({1}, Exile this card from your graveyard: Create a 1/1 colorless Elemental creature token. Kindle only as a sorcery.)

When Loresprout enters the battlefield, if you control another creature, draw a card.

Enchant creature
Enchanted creature can't attack or block, and its activated abilities can't be activated.
Mirage {W/U} (You may cast this spell as though it had flash for its mirage cost. If you do, sacrifice it at the beginning of the next cleanup step.)

Whenever a permanent you control leaves the battlefield, discard a card, then draw a card.
{1}{R}, Sacrifice a permanent: Mass Pandemonium deals 1 damage to any target.

When Miede-District Alchemist enters the battlefield, add {R}{R}{R}.
Paranoia {1}{R} (You may cast this spell for its paranoia cost when a permanent you control leaves the battlefield.)

Haste
{R}, {T}: Miede-District Enforcer deals 2 damage to target creature that entered the battlefield this turn or player that cast a creature spell this turn.
Paranoia {1}{R} (You may cast this spell for its paranoia cost when a permanent you control leaves the battlefield.)

Deathtouch
Mirage {1}{B} (You may cast this spell as though it had flash for its mirage cost. If you do, sacrifice it at the beginning of the next cleanup step.)

When Moonshadow Remnant enters the battlefield, destroy target tapped creature.
Mirage {3}{W}{W} (You may cast this spell as though it had flash for its mirage cost. If you do, sacrifice it at the beginning of the next cleanup step.)

Enchant creature
When Mystic's Mantle enters the battlefield, draw a card.
Enchanted creature gets +1/+1.
Mirage {G} (You may cast this spell as though it had flash for its mirage cost. If you do, sacrifice it at the beginning of the next cleanup step.)

Flying, vigilance
Orzhov Benefactor can't attack or block unless you pay {1} for each debt counter on it.
At the beginning of your upkeep, put a debt counter on Orzhov Benefactor.
{2}: Remove a debt counter from Orzhov Benefactor.

Enchant creature
Enchanted creature gets -4/-0.
Mirage {U} (You may cast this spell as though it had flash for its mirage cost. If you do, sacrifice it at the beginning of the next cleanup step.)

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

Defender
Ascend {1}{W}{W} ({1}{W}{W}: Exile this creature, then return it to the battlefield transformed. Ascend only as a sorcery.)