msem-instigator

Glitch {1} (Remove one [restriction] for each time you pay the glitch cost.)
Take an extra turn after this one.
[Skip the untap step of that turn.]
[Skip the draw step of that turn.]
[Skip the combat phase of that turn.]
Exile Cut Causality.

Tap a creature you control: Prevent the next 2 damage that would be dealt by target creature this turn.
Tap a Reflection creature you control: Prevent all damage that would be dealt this turn by a source of your choice.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I — Destroy target creature you don't control with the greatest power.
II — Until your next turn, prevent all damage that would be dealt to you and planeswalkers you control.
III — Exile target card from a graveyard. You gain 2 life.

When Blackwall's Edge enters, if you control four or more lands, you may have each player conjure a card named Data-Point into their hand. (It's a sorcery that costs {2} with “Draw a card.”)
{T}: Add {C}.
When Blackwall's Edge is destroyed, return it to its owner's hand.

Flash
Creatures you control get +1/+1.

Whenever this creature enters or attacks, you may put a creature card with mana value 2 or less from your hand onto the battlefield. If you do, draw a card. Sacrifice that creature at the beginning of the next end step.
If a creature would enter under your control during combat on your turn, that creature enters tapped and attacking.

You may put cards with Adventures that permanents you control explore into your hand as though they were lands. (You won't get the counter if you do.)
At the beginning of each end step, if you cast an Adventure spell or a permanent you controlled explored this turn, create a 1/1 green Scout creature token.

Vigilance
Crew 2 (Tap any number of creatures you control with total power 2 or greater: This Vehicle becomes an artifact creature until end of turn.)

Menace
When this creature enters or dies, each opponent creates a 1/2 green Scout creature token.
{B}{G}, Discard this card: Distribute two -1/-1 counters among one or two target creatures. Activate only as a sorcery.

Lifelink
Embellish {2}{B} (If you cast this spell for {2}{B}, create a 1/1 blue Thopter artifact creature token with flying when it enters.)

When Forerunner of the Briar enters, sacrifice two lands. When you do, choose one —
• Create a 3/3 green Beast creature token.
• Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

Target opponent loses 3 life if they own a card in exile. Purge. (Exile two cards that share a type from graveyards. If you do, draw a card.)

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

{R}, {T}, Exert Provoker of Mountains: Create an X/X red Elemental creature token, where X is the number of spells you've cast this turn. (An exerted creature won't untap during your next untap step.)
{X}{X}{R}, {T}, Sacrifice Provoker of Mountains: Provoker of Mountains deals X damage to any target.

Return an artifact card from your graveyard to your hand. If you can't, you gain 2 life. Repeat this process for battle, creature, enchantment, land, and planeswalker.
Put Variety of Goods on the bottom of its owner's library.

Menace
{1}{B}, Exile another three cards from your graveyard: Return Determined Explorer from your graveyard to your hand.

For each creature you don't control, create a token that's a copy of that creature.
Destroy all creatures.

Hexproof (This creature can't be the target of spells or abilities your opponents control.)

Flying
When Heartless Host enters, arm target creature. (Create a colorless Equipment artifact token with “Equipped creature gets +1/+0” and equip {2}, then attach it to that creature.)

You may put a creature or planeswalker card from your hand onto the battlefield. It gains haste. Sacrifice it at the beginning of the next end step. Whenever an ability of that permanent is activated this turn, you may copy that ability. You may choose new targets for the copy.

Once each turn, when another nontoken creature is returned to your hand from the battlefield, you may create a token that's a copy of that creature.

Menace
At the beginning of your end step, if you gained or lost life this turn, put a -1/-1 counter on up to one target creature.

Enchant creature
Whenever enchanted creature attacks, up to two target creatures can't block this turn. Up to one target creature blocks this turn if able.

Counter target spell.
At the beginning of your upkeep, if you control three or more creatures with flying, you may return Divine Denial from your graveyard to your hand.