msem-instigator

Indestructible
Lands you control have “{T}: Add {G}{G}.”
{5}{G}{G}: Double the power and toughness of each creature you control until end of turn.

Search your library for an Equipment card, reveal that card, put it into your hand, then shuffle.
Monument {3}{W} (You may cast this transformed from your graveyard for its monument cost. Exile it if it would leave the battlefield or not resolve.)

When Sacrifice to Setar dies, surveil X, where X is the amount of damage dealt to them this turn. Draw a card. Then if X is 3 or greater, you may return Sacrifice to Setar to the battlefield transformed.

Target creature gains indestructible until end of turn.
Fuse (You may cast one or both halves of this card from your hand.)

When Safety Expert enters, if you have more life than your starting life total, put a +1/+1 counter on target creature.

This spell can't be countered.
Target player gains hexproof until end of turn.
Fabled {2}{W}{W} (Then if you cast this for its fabled cost, put it onto the battlefield transformed attached to that player.)

Enchant player
Creatures enchanted player controls get +0/+1.

Trample, haste
When Sahra, the Consuming enters or attacks, sacrifice a permanent.
At the beginning of your end step, transform Sahra unless you've sacrificed two or more permanents this turn.

Flash
First strike (This creature deals combat damage before creatures without first strike.)

Target creature you control gains protection from the color of your choice until end of turn. (Then exile this card. You may cast the creature later from exile.)

Vigilance
Chosen one ({W}{U}{B}{R}{G}: Transform this permanent.)

Flying, vigilance, lifelink
During each of your turns, you may cast a multicolored spell from your graveyard.

Target creature you control fights target creature you don't control. (Then exile this card. You may cast the creature later from exile.)

Trample
Savage Mammoth gets +1/+1 for each land you control.
Ride {4}{G} ({4}{G}: Transform this and attach it to target creature you control without a Steed. Ride only as a sorcery.)

Untap all creatures and lands you control during each other player's untap step.
Ascend {4}{R}{R}{R} ({4}{R}{R}{R}: Exile this creature, then return it to the battlefield transformed. Ascend only as a sorcery.)

The next time one or more creatures you control would die this turn, exile those cards. You may play them until the end of your next turn.

(Transform this if it's not attached to a creature. Pay {1}{R} as a sorcery to unattach it.)
Enchant creature you control
Scale Bearer's rider gets +4/+3 and has flying and haste.
Whenever Scale Bearer's rider attacks, you may pay {2}{R}. If you do, it deals damage equal to its power to target creature or planeswalker.

Whenever Scaleblight Cutthroat attacks, each opponent loses life equal to its power.
{4}{B}{B}: Scaleblight Cutthroat gets +3/+3 until end of turn.

Enchant player
Whenever enchanted player taps a nonbasic land they control, that land doesn't untap during its controller's next untap step.

Whenever Scavenger of the Old Bay deals combat damage to a player, draw a card.
Ride {1}{U} ({1}{U}: Transform this and attach it to target creature you control without a Steed. Ride only as a sorcery.)

Scavenging Soldier has first strike as long as it's attacking.
Attain {3}{W} ({3}{W}: Transform this. Spend at least three colors of mana to activate this, and only as a sorcery.)

Scoundreleo enters with a +1/+1 counter on it if a creature you controlled dealt combat damage to a player this turn.

Double strike
Creatures you control have trample.
Excess noncombat damage that would be dealt by sources you control to permanents an opponent controls is dealt to that player instead.

Flying, haste
Ride {1}{R} ({1}{R}: Transform this and attach it to target creature you control without a Mount. Ride only as a sorcery.)

As an additional cost to cast this spell, pay 3 life and sacrifice a creature.