msem-instigator

Add {W}{U}{B}{R}{G}. Spend this mana only to cast spells from your graveyard or activate abilities of cards in your graveyard.

Enchant creature
Enchanted creature gets +2/+1 and has flying.
Foresight — Whenever you draw your second card each turn, return Sphinx's Sight from your graveyard to your hand.

When Terror of the Ontarachie enters, choose one —
• Each player sacrifices a creature.
• Each player loses 5 life.

The first instant or sorcery spell you cast each turn has convoke. (Each creature you tap while casting that spell pays for {1} or one mana of that creature's color.)

Landfall — Whenever a land you control enters, add {G}.
{3}{G}: Target creature you control gets +2/+2 until end of turn.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
Whenever you cast a spell from anywhere other than your hand, remove a lore counter from The Unhinging Project.
I, II — The Unhinging Project deals 2 damage to any target. You gain 2 life.
III — Discard your hand. Surveil 3.

At the beginning of your upkeep, choose one —
• Create a colorless artifact token named Etherium Cell with “{T}, Sacrifice this artifact: Add one mana of any color.”
• Put a +1/+1 counter on another target artifact. It becomes a 0/0 Construct artifact creature if it isn't a creature.

If a player would lose life, that player loses 3 life instead.
If a player would gain life, that player gains 3 life instead.

Target creature you control deals damage equal to its power to target creature you don't control.
Create a Vial token. (It's an artifact with “{1}, Sacrifice this and another permanent: Draw a card. Activate only during your turn.”)

{T}, Pay 1 life: Add one mana of any color.

Manaflux Battery enters tapped.
{T}: Add {C}{C}.
{2}, {T}: Untap each other artifact you control.

Menace
Whenever Entrail Elemental deals combat damage to a player, you may cast target card from your graveyard this turn. If an instant or sorcery spell cast this way would be put into your graveyard, exile it instead. (You still pay its costs. Timing rules still apply.)

Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn.
Agonize (You may cast this card from your graveyard by putting a -1/-1 counter on a creature you control in addition to paying its other costs. Then exile this card.)

Flying
Whenever Crane Legionnaire attacks, tap target creature defending player controls.

Whenever an opponent casts a spell, if no mana was spent to cast it or it has mana value greater than the number of lands that player controls, counter that spell.
{G/W}, Sacrifice this creature: Citizens and Peasants you control get +1/+1 and gain indestructible until end of turn.

Shining Crusader has protection from all colors as long as you control no colored permanents.

Target creature's controller judges it. Then if they honored it, you gain control of that creature until end of turn. Untap it. It gains haste until end of turn. (That creature's controller honors it by putting a +1/+1 counter on it or condemns it by sacrificing it to draw a card.)

Defender
As long as your fealty to Islands is six or greater, Oasis Glutton can attack as though it didn't have defender. (Each Island you control counts towards your fealty to Islands.)

When Archaeomancer enters, return target instant or sorcery card from your graveyard to your hand.

For each creature you control, put a +1/+1 counter on it or create a Treasure token.

When Festering Shipwreck enters, create a Vial token. (It's an artifact with “{1}, Sacrifice this and another permanent: Draw a card. Activate only during your turn.”)
At the beginning of each player's upkeep, that player sacrifices a nonland permanent.

Look at the top three cards of your library. You may put any number of them into your graveyard. Draw a card.

Abyss Howler must be blocked if able.
Whenever Abyss Howler becomes blocked, defending player loses 2 life and you gain 2 life.

Flip a coin. If you win the flip, draw two cards. Otherwise, discard two cards.

Equipped creature has first strike.
{R}: Equipped creature gets +1/+0 until end of turn.
Equip {2}