msem-instigator

Spells you cast during combat cost {1} less to cast.
Spells your opponents cast during combat cost {1} more to cast.

Destroy target creature. Creatures without flying can't block this turn.

Lifelink
When Sacellum Visionary enters, draw a card.

Exile target artifact, creature, or enchantment. If that permanent's mana value was 3 or greater, its controller may search their library for a basic land card, put it onto the battlefield tapped, then shuffle. (A transformed permanent retains the mana value of its front face.)

Enchant creature
Enchanted creature gets +3/+3 and has flying and vigilance.
Lifecycle {3} ({3}, Discard this card: Create two tapped 1/1 colorless Elemental creature tokens.)

Create a token that's a copy of a creature token you control.
Draw a card.

Trample
Each opponent can cast spells only any time they could cast a sorcery.
Auras you control attached to other permanents you control also enchant Sacred Lynx if able.

Once each turn, when you activate a nonmana ability, you may put a stage counter on Sacred Opus.
{1}{W}: Until end of turn, Sacred Opus becomes an Angel Avatar creature in addition to its other types and gains “This creature's power and toughness are each equal to the number of stage counters on it.”

({T}: Add {W}.)
Sacred Sanctuary enters tapped with two sanctum counters on it.
{T}, Remove a sanctum counter from Sacred Sanctuary: Add {G} or {U}.

Whenever you cast a noncreature spell, look at the top card of your library. You may put it into your graveyard.
{4}{U}: Draw a card.
At the beginning of your upkeep, if there are twenty-four or more noncreature cards in your graveyard, you win the game.

Sacred Summits enters tapped.
{T}: Add one mana of any color among the color identity of legendary creatures and planeswalkers you control or legendary cards in your command zone.

{G}: Exile target card from a graveyard. If it was a land card, put a +1/+1 counter on Sacrificial Bull.
{G}, Sacrifice Sacrificial Bull: You gain life equal to its power.

Whenever your team sacrifices a creature, each opponent loses 1 life and you gain that much life.

When Saddled Scuttleback enters, you may search your library for a Crab, Fish, Jellyfish, Kraken, Leviathan, Merfolk, Nautilus, Octopus, Otter, Oyster, Pirate, Seal, Serpent, Shark, Shrimp, Sponge, Squid, Starfish, Trilobite, Turtle, Whale, or Island card, reveal it, put it into your hand, then shuffle.

Trample
When Saddlesaur Guide enters, create a green Aura enchantment token named Hefty Load attached to target creature. The token has enchant creature and “Enchanted creature gets +2/+2 and has trample.”

Flying
Your opponents lose the game if their life total is less than or equal to the total number of cards you own in exile and in your graveyard that have flashback rather than 0 or less.

[+1]: Draw two cards, then put a card from your hand on the bottom of your library unless you've spent {W}{U}{B}{R}{G} on spells this turn.
[–2]: Add {W}{U}{B}{R}{G}.
[–6]: For each card type, you may return a card of that type from your graveyard to your hand.

When Sadistic Indulgence enters, create three 1/1 white Human creature tokens with “This creature can't attack or block.”
Pay 1 life: Destroy target nonland permanent you control.

Reach
{T}: Sadistic Sparkmage deals 1 damage to each opponent.

Vigilance
Whenever Saeedi Kahroba, Daughter attacks, recruit. (Create a 0/0 white Soldier Army creature token, then put a +1/+1 counter on each Army you control.)

Return target creature or land card from your graveyard to your hand. You may shuffle up to three cards from your graveyard into your library.

{T}: You gain 1 life.
{1}{W}, {T}: Tap or untap another target creature.

When Saffrisa's Darkcaster enters, look at the top four cards of your library. You may substantiate a card from among them. Put the rest into your graveyard. (To substantiate a card, put it onto the battlefield face down as a 2/2 creature. You may turn it face up and cast it at any time for its mana cost if it isn't a creature.)

Whenever a creature dies, each opponent loses 1 life and you gain 1 life.
At the beginning of your end step, if you gained 4 or more life this turn, you may sacrifice Saffrisa's Touch. If you do, return target creature card from your graveyard to the battlefield.

Deathtouch
Instant and sorcery spells you control have deathtouch.
{2}{B}: Exile target creature card from an opponent's graveyard, then create a 2/2 black Zombie creature token and put a +1/+1 counter on Saffrisa, Heir Apparent.