msem-instigator

Trample
Players can't activate abilities of nonbasic, noncreature permanents.

Whenever a creature you control enters, you may have it get +1/+1 until end of turn. If you do, it fights target creature. (Each deals damage equal to its power to the other.)

You have hexproof.
Creatures you don't control have base power and toughness 1/1 and lose all abilities.
Nonbasic lands you don't control don't untap during their controller's untap step.

The first creature spell you cast each turn costs {2} less to cast.
At the beginning of your upkeep, return a creature you control to its owner's hand. If you do, you draw cards and gain life equal to its power.

Flying
When Rushwater Hunter enters, you may return target creature to its owner's hand.

Whenever Rustshell Mantis is dealt damage, put that many +1/+1 counters on it. (It must survive the damage to get the counters.)

{2}, Remove a counter from another permanent you control: Ruthless Monstrosity gets +2/+2 until end of turn.

If a player taps a nonbasic land for mana, that land produces {C} instead of any other type.
Whenever Rylei Wakebreaker attacks, it and another target creature you control each get +1/+0 until end of turn for each attacking creature you control.

When Ryleth, Vengeful Shadow enters, create two 1/1 green Elf creature tokens.
Whenever you attack, you may pay {1}{B/G}. When you do, return target creature card with mana value less than or equal to the number of attacking creature tokens you control from your graveyard to the battlefield tapped and attacking.

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.)

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.

Flying
When Sage of Dilemmas enters, return up to one target enchantment to its owner's hand.

Whenever Sage of Reflections attacks, mill three cards, then choose a creature card milled this way. Create a token that's a copy of it that's tapped and attacking, except it has no mana cost.

Flying, prowess
Once each turn, when you cast a noncreature spell, you may create a 4/4 blue Sphinx Wizard creature token with flying, then scry 1.
{2}{U}{U}, Discard Sage of the Hereafter: Create a 4/4 blue Sphinx Wizard creature token with flying, then scry 1. Activate only as a sorcery.

Trample
Whenever Saghira, Divinity's Usurper attacks, you may pay {1}{G}. If you do, destroy target artifact, enchantment, or creature with flying.

[+1]: Until end of turn, you may cast a creature card from your graveyard. Creature spells cast this way cost {2} less to cast.
[–2]: Each player discards a card. For each player who discarded a creature card this way, create a 2/1 black Horror creature token.
[–6]: For each player, you may put a creature card from that player's graveyard onto the battlefield under your control.

Menace (This creature can't be blocked except by two or more creatures.)
Whenever Sagi's Revenant deals combat damage to a player, that player discards a card.
Whenever an opponent discards a land card, you may have target creature get -2/-2 until end of turn.

Vigilance
{1}{G}{G}: Sahalia Dragoons gets +4/+4 until end of turn. Activate only once each turn.

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.