msem-instigator

Flash
Whenever this enchantment enters, draw a card.
Whenever you cast your first spell during each opponent's turn, draw a card.
Foretell {2}{U} (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.)

Antu, Sun Spirit can't attack or block unless you control ten or more permanents.
As long as it's your turn, other creatures you control get +X/+0 and have haste, where X is the amount of life you've gained this turn.
When Antu dies or is put into exile from the battlefield, you may put him into his owner's library third from the top.

Menace
Creatures you control get +1/+0 as long as you've foretold a card this turn.
Creatures you control get +1/+0 as long as you've cast a foretold spell this turn.

Crocodile creatures you control get +1/+1.
Avatar of Senmut and Crocodile creatures you control can't be blocked as long as you control four or more Islands.

When Propulsion Pack enters, create a 1/1 colorless Servo artifact creature token and attach Propulsion Pack to it.
Equipped creature gets +1/+1 and has flying.
Equip {3}{U}

Hellfire Crater enters tapped. When it enters, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)
{T}: Add {B} or {R}.

Flying
Whenever a creature you control phases in, it gains flying until end of turn.

This spell can't be countered.
Flying, protection from cryptic
Whenever you cast a cryptic spell, cast a Sphinx spell, or draw a card, investigate.
{T}, Sacrifice ten Clues: You win the game.

Wu Xing (Add effects based on the number of colors of mana spent to cast this spell.)
1 | Target creature's owner puts it on the top or bottom of their library.
3 | Return a creature card from your graveyard to your hand.

As an additional cost to cast this spell, sacrifice a creature or pay {3}.
Destroy target creature with power 3 or less.

For each permanent type, return up to one target card of that type from your graveyard to your hand. (The permanent types are artifact, creature, enchantment, land, and planeswalker.)

Oshiruko Whisperwalker can't be blocked except by Rogues.
Whenever a creature is returned to its owner's hand, you may draw a card. If you do, discard a card.

Search your library for a land card, reveal it, put it into your hand, then shuffle.

Deathtouch
Discard a card: Headless Carriage gains indestructible until end of turn. Tap it.
Ride {2}{B}{B} ({2}{B}{B}: Transform this and attach it to target creature you control without a Steed. Ride only as a sorcery.)

Shredding Gale deals 4 damage to each creature with flying.

Choose one —
• Welcome to the Ashmouth deals twice X damage to target creature or planeswalker.
• Welcome to the Ashmouth deals X damage to each creature and each planeswalker.
Flashback {X}{R}{R}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

As long as it's your turn, planeswalkers you control are X/X creatures with indestructible that are still planeswalkers, where X is the number of loyalty counters on them.
Prevent all damage that would be dealt to planeswalkers you control during your turn.

This spell costs {1} less to cast for each creature with one or more counters on it.
Flying, vigilance

Whenever a creature dies, scry 1 and each opponent loses 1 life.

When Rethia Cultivator enters, you may search your library for a land card, reveal it, put it into your hand, then shuffle.

If it isn't an extra turn, take an extra turn after this one. (Cast a copy of this spell once while this creature is on the battlefield.)

When Leafguard Larva enters or a creature you control scavenges it, return target card from your graveyard to your hand.
Scavenge {3}{G} ({3}{G}, Exile this card from your graveyard: Put a number of +1/+1 counters equal to this card's power on target creature. Scavenge only as a sorcery.)

Flying
{3}: Prismscale Dragon gets +1/+1 until end of turn for each color of mana spent to activate this ability.

{T}: Add {C}.
{1}, {T}: Transform Ruined Theater.

Moonlight Curator has flying as long as it's embattled. (A creature is embattled if it has a counter on it or has a permanent you control attached to it.)