msem-instigator

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after IV.)
I, II, III — Target creature gets -X/-X until end of turn, where X is the number of lore counters on A Grave Sentence.
IV — Target opponent loses 1 life for each creature card in their graveyard.

For each basic land type, search your library for a card of that type, then put it onto the battlefield tapped, then shuffle.

Play with the top card of your library revealed.
You may cast creature spells from the top of your library.
You may pay {W}{U}{B}{R}{G} rather than pay the mana cost for creature spells you cast.

As an additional cost to cast this spell, discard a card.
Draw two cards. Forebode. (Create a tapped colorless Omen artifact token with “{T}, Discard a card, Sacrifice this artifact: Draw a card.”)

Counter target spell. If that spell is countered this way, put it on the bottom of its owner's library instead of putting it into its owner's graveyard. You may put up to three target cards from your graveyard on the bottom of your library in any order.

Abandoned Den enters the battlefield tapped.
{T}: Add {B}.
{B}, {T}: Target player loses 1 life. Activate only as a sorcery and only if you control a black creature.

{T}: Add {C}.
{3}, {T}, Sacrifice Abandoned Sanctuary: Search your library for a land card with a basic land type and put it onto the battlefield tapped, then shuffle.

Abrupt Explosion deals X damage to any target.
Metamorph {X}{R} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up and cast it at any time for its metamorph cost.)

Deathtouch
Abyss Surger enters the battlefield with X +1/+1 counters on it, where X is the greatest power among creature cards in your graveyard.

Flying
Whenever Acabo, the Fabled Falcon attacks, you choose how up to one target creature an opponent controls blocks this turn.

Invigorate 5. (Choose a creature with the least power among creatures you control and put five +1/+1 counters on it.)

{T}: Adept Fisherman voyages. (If it isn't blocking or targeted by another spell or ability, it phases out.)
Whenever Adept Fisherman phases in, you gain 2 life.

Whenever Adept Lieutenant attacks, create an Idol token. (It's an artifact with “{1}, Sacrifice this artifact: Put a +1/+1 counter on target creature. Activate only as a sorcery.”)
{1}, Sacrifice an Idol: Put a +1/+1 counter on Adept Lieutenant.

Whenever you cast a Pirate spell, create a 1/1 blue and red Pirate creature token with haste.

Menace
Whenever a creature an opponent controls dies, create an Idol token. (It's an artifact with “{1}, Sacrifice this artifact: Put a +1/+1 counter on target creature. Activate only as a sorcery.”)

Flying, haste
Whenever Adoroth, the Baneful attacks, forebode. (Create a tapped colorless Omen artifact token with “{T}, Discard a card, Sacrifice this artifact: Draw a card.”)
{1}{R}{R}: Adoroth, the Baneful deals 4 damage to any target. Activate only if you have no cards in hand.

Flash
Enchant creature
When Aegis Expertise enters the battlefield, untap enchanted creature.
Enchanted creature gets +0/+3.

Flying, double strike

Create two 1/1 white Bird creature tokens with flying.

Flying, first strike

Enchant creature
When Aerie Watch enters the battlefield, draw a card.
Enchanted creature gets +1/+1 and has reach.

Flying
{2/U}{2/U}: Exile Aeriform Remnant. Return it to the battlefield under its owner's control at the beginning of the next end step.

Counter target spell unless its controller pays {3}. Its controller mills three cards.

When Aether Sculptor enters the battlefield, create a tapped colorless artifact token named Lotus Petal with “{T}, Sacrifice this artifact: Add one mana of any color.”

Equipped creature gets +2/+1.
Equip multicolored creature {1}
Equip {2}