msem-instigator

When Quandary Seer enters, target player mills three cards. You shuffle up to three cards from your graveyard into your library.

Menace

[+1]: Untap up to one target creature.
[0]: Edith Waunt becomes a legendary green Human creature with “This creature's power and toughness are each equal to the number of loyalty counters on it” and “Whenever this creature deals damage, put a loyalty counter on it” until your next turn.

Collapsing Ramparts deals damage to target creature equal to twice the number of Satrapies you control.

Copy target instant or sorcery spell you control. You may choose new targets for the copy.(Cast a copy of this spell once while this creature is on the battlefield.)

Green creatures you control have “{T}: Add one mana of any color.”
Red creatures you control have “{1}, {T}: This creature deals 1 damage to target player.”
White creatures you control have “{2}, {T}: Tap target nonland permanent.”

Counter target spell, activated ability, or triggered ability. (Mana abilities can't be targeted.)

When Ragantiar enters, mill five cards.
{3}{B}, Sacrifice a creature: Return target creature card with power X or less from your graveyard to the battlefield, where X is 1 plus the sacrificed creature's power.

Enchant player
At the beginning of enchanted player's draw step, they draw an additional card.
At the beginning of enchanted player's end step, that player discards all but one card in their hand.

Whenever a player cycles a card, Possibility Grinder gets +2/+2 until end of turn.

At the beginning of each combat, you may have Firefish Conjurer deal 3 damage to target creature you control. If you do, Firefish Conjurer gets +2/+0 and gains flying until end of turn.

Tithe (When this creature enters, you may tap three other artifacts and/or creatures you control.)
Menace, lifelink
When Determined Evangelist's tithe is paid, put two +1/+1 counters on it.

Flying
At the beginning of your end step, untap another target creature you control.

Target creature gets +2/+2 until end of turn.
Fabled {3}{G}{G} (Then if you cast this for its fabled cost, put it onto the battlefield transformed attached to that creature.)

Whenever you sacrifice a permanent, Champion of Foibles becomes a Demon with base power and toughness 6/6, flying, and trample until end of turn.
{3}{B}: Judge target creature you control. Activate only as a sorcery. (Honor it by putting a +1/+1 counter on it or condemn it by sacrificing it to draw a card.)

Return target creature card from your graveyard to your hand.
Satrapycycling {2} ({2}, Discard this card: Search your library for a Satrapy card, reveal it, put it into your hand, then shuffle.)

Menace (This creature can't be blocked except by two or more creatures.)
Whenever Slaughtered Steps Taskmaster attacks, you may sacrifice another creature. If you do, Slaughtered Steps Taskmaster gets +2/+0 until end of turn.

Mill four cards, then return a creature or enchantment card from your graveyard to you hand. You gain 3 life.

Target creature gets +3/+2 and gains menace until end of turn.
Quickdraw {1}{R} (When a creature you control blocks or becomes blocked, you may cast this spell for {1}{R}.)

Mill three cards, then counter target spell unless its controller pays {X}, where X is the greatest mana value among cards milled this way.

Bleed {0} (You may cast this spell for its bleed cost if an opponent has lost life this turn.)
Look at target player's hand.
Draw a card.

If this spell was foretold, target player creates a 4/4 red Dragon creature token with flying. Apex's Prey deals damage equal to the greatest power among creatures you control to up to one target creature or planeswalker.
Foretell {1}{R}{R}{G} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Tap up to two target creatures.
Cycling {1}{U} ({1}{U}, Discard this card: Draw a card.)
When you cycle Denied Attempt, you may tap target creature.

This spell costs {1} less to cast for each card you've drawn this turn.
Create three 1/1 white Soldier creature tokens.

Target opponent mills five cards, then you exile up to two instant and/or sorcery cards from that player's graveyard. You may cast those cards for as long as they remain exiled, and you may spend mana as though it were mana of any type to cast them.