msem-instigator

Trample
When Sahra's Crusher enters, judge another target creature you control. (Honor it by putting a +1/+1 counter on it or condemn it by sacrificing it to draw a card.)

At the beginning of each player's upkeep, exile target creature that player controls. Return that card to the battlefield under its owner's control at the beginning of the next upkeep.

Saljan, Lord of the Disfigured and other Mutants you control get +1/+1 and have indestructible.
Whenever Saljan attacks or blocks, create a 1/2 black Mutant creature token.

You may look at the top card of your library any time.
Once during each of your turns, you may cast an enchantment spell from the top of your library or from your graveyard.

[+1]: Scry 1, then draw a card. You lose 1 life.
[–2]: Target player sacrifices a creature, then loses life equal to the greatest power among creatures they control.
[–5]: Choose a nonland card name. Exile all creatures and planeswalkers with that name, then search target player's graveyard, hand, and library for any number of cards with that name and exile them. That player shuffles.

Archive 5 (As this enters, shuffle the top five cards of your main library into a new face up library. Sacrifice this after the archived library is empty.)
Whenever you draw a card from another one of your libraries, you draw a card from the archived library and you lose 1 life.

Salva Tore's Vexation deals X damage to target creature or planeswalker, where X is that permanent's mana value. You gain X life.

You may sacrifice three artifacts rather than pay this spell's mana cost.
Exile three artifact cards from your graveyard: Return Salvage Titan from your graveyard to your hand.

Whenever Sanctuary is dealt damage, you gain that much life.
All damage that would be dealt to another creature you control is dealt to Sanctuary instead.

When Sandborn Mage enters, you may return target instant or sorcery card from your graveyard to your hand.
Mirage {2}{U}{U} (You may cast this spell as though it had flash for its mirage cost. If you do, sacrifice it at the beginning of the next cleanup step.)

When Sandmouth Dragon enters, another target creature you control gets +3/+0 until end of turn.
Mirage {2}{R} (You may cast this spell as though it had flash for its mirage cost. If you do, sacrifice it at the beginning of the next cleanup step.)

Shimmer (Whenever this creature attacks, create a tapped and attacking token that's a copy of it. Exile the token at the beginning of the end step.)
When Sandstrider enters, put a +1/+1 counter on target creature.

Trample
You may cast Sandswim Titan from exile. If you do, it enters with three +1/+1 counters on it.

Choose two —
• Target player creates a 3/3 green Wurm creature token.
• Target player puts three +1/+1 counters on a creature they control.
• Return target permanent card from your graveyard to your hand.
• Destroy target creature with flying.

When Sandwurm's Might enters, you may have target creature you control fight target creature you don't control.
Each creature you control enters with an additional +1/+1 counter on it.

Flying
{1}{R}: Sangrite Dragon gets +2/+0 until end of turn.
Sacrifice another creature: Add {R}{R}.

Whenever you gain life, target opponent loses that much life.

Flying, lifelink
Whenever you gain life, you may have target creature get -X/-X until end of turn, where X is the amount of life you gained.

Create X 1/1 green Saproling creature tokens, then populate. (Create a token that's a copy of a creature token you control.)

Whenever you cast a noncreature spell, Sara, Entelan Elementalist gets +X/+0 until end of turn, where X is Sara's power. It deals 1 damage to each creature you don't control.

Flying
Improve—{1}{B/R}, Sacrifice a creature. ({1}{B/R}, Sacrifice a creature: Put a +1/+1 counter on this creature. This costs {1} more to activate for each +1/+1 counter on it. Improve only as a sorcery.)
Whenever another creature you control dies, each opponent loses 1 life and you gain 1 life. If that creature was sacrificed, instead each opponent loses 2 life and you gain 2 life.

Flash
Satrapies you control have “{T}: Draw a card.”

Flying
Tap three untapped Satrapies you control: You may cast target card from your graveyard. Pay life equal to its mana value rather than pay its mana cost. If that spell would be put into a graveyard, exile it instead.

Flying
Tap five untapped Satrapies you control: Untap all creatures you control. After this main phase, there is an additional combat phase followed by an additional main phase. Activate only as a sorcery.

Look at the top six cards of your library. Put up to two creature cards with total mana value 4 or less from among them onto the battlefield and the rest on the bottom of your library in any order.
Ferocious — If you control a creature with power 4 or greater, put a +1/+1 counter on each creature you control.