msem-instigator

Flying, prowess
Whenever an artifact you control enters, you may draw a card. If you do, discard a card.

Whenever you cast an enchantment spell, you may put target creature on the bottom of its owner's library.

You gain 7 life.
Coalesce {5}{G}{G} (You may cast this from your graveyard for {5}{G}{G}. If you do, it enters as a Horror creature after it resolves. Exile it if it would leave the battlefield or not resolve.)

(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.
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Whenever another creature you control dies, target player loses 1 life and you gain 1 life.

Deathtouch
Heretic (Whenever you cast a spell that doesn't share a color with this creature, it gets +1/+1 until end of turn.)

When Thailen's Guard dies, you gain 2 life and scry 1. (To scry 1, look at the top card of your library. You may put that card on the bottom of your library.)

Improve {1} ({1}: Put a +1/+1 counter on this artifact. This costs {1} more to activate for each +1/+1 counter on it. Improve only as a sorcery.)
Whenever one or more creatures crew Cavalier Deluxe Roadster, you may phase out up to one of those creatures.
Crew 1. Activate only once during each of your turns.

Melee (Whenever this creature attacks, it gets +1/+1 until end of turn for each opponent you attacked this combat.)
When Vaeldan's Liberator dies, you may exile it. If you do, return a permanent card with mana value less than or equal to Vaeldan's Liberator's power from your graveyard to your hand.

Dazzling Duelist has first strike as long as it's attacking.
{2}{R}: Dazzling Duelist gets +2/+0 until end of turn.

Magnificent Palace enters tapped.
As Magnificent Palace enters, choose two colors.
{T}: Add one mana of any of the chosen colors.

First strike, trample
Whenever a creature dealt combat damage by Ravenous Forsaken this turn dies, put a +1/+1 counter on Ravenous Forsaken.
{2}{R}: Ravenous Forsaken gets +3/+0 until end of turn.

Creatures you control get +2/+0 and gain menace until end of turn. (They can't be blocked except by two or more creatures.)

Choose two —
• Gain control of target artifact until end of turn. Untap it. It gains haste until end of turn.
• Create a Gold token. (It's an artifact with “Sacrifice this artifact: Add one mana of any color.”)
• Create a Clue token. (It's an artifact with “{2}, Sacrifice this artifact: Draw a card.”)

Gestalt (When this or another creature enters under your control, you may merge it with the one in play, keeping counters and attachments. They become the permanent on top plus all abilities from under it.)
This creature gets +2/+2 as long as it's merged with another card or token.

When Piruz, the Fourth Shah enters, discard your hand. For each creature card discarded this way, create a 3/3 black Demon creature token with flying. For each other card discarded this way, you gain 3 life.
Monument {5}{B}{B} (You may cast this transformed from your graveyard for its monument cost. Exile it if it would leave the battlefield or not resolve.)

Whenever a nontoken creature dies, you may exile that card. If you do, return each other card exiled with Tome of the Lidless Gaze to its owner's graveyard.
At the beginning of your upkeep, if you control no Eyes, create a token that's a copy of a card exiled with Tome of the Lidless Gaze except it's a 2/2 Eye Horror with flying in addition to its other types.

Whenever you cast an instant or sorcery spell, detain target creature an opponent controls. (Until your next turn, that creature can't attack or block and its activated abilities can't be activated.)

{3}{W}: Exile Vanishing Memory and target creature an opponent controls.

This spell costs {2} less to cast if a creature died under your control this turn.
Flying

Foretell {B} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)
Destroy target creature or planeswalker. You lose 4 life unless this spell was foretold.

Flying, vigilance
At the beginning of your upkeep, if you control four or more Plains, put a +1/+1 counter on each other creature you control.

You may cast target instant card from your graveyard this turn. If a card cast this way would be put into your graveyard, exile it instead.

{W}, Sacrifice Haunting Bard: Destroy target artifact or enchantment.

Enchant creature you control
When Flamespeaker's Craft enters, it deals 2 damage to any target.
Enchanted creature has “{T}, Discard a card: Draw a card.”