msem-instigator

Flash
Harmony — You may tap or untap target creature.
When Captivating Jester enters, harmonize. (Trigger up to one harmony of one permanent you control.)

Carefree Performer can't be sacrificed.
You may exert Carefree Performer as it attacks. When you do, discard two cards, then draw two cards. (An exerted creature won't untap during your next untap step.)

Whenever you gain life, Clerics you control get +1/+1 and gain trample until end of turn.

Flash (You may cast this spell any time you could cast an instant.)
Flying
Tapped creatures you control have hexproof.

Flying
When Carrion Drake enters, you may exile a creature card from your graveyard. If you do, draw a card.

Flash
Flying

When Catacomb Dredger dies, return another target creature card from your graveyard to your hand.

Whenever Cattish Bluestocking deals combat damage to a player, draw a card.
Attain {4}{U} ({4}{U}: Transform this. Spend at least three colors of mana to activate this, and only as a sorcery.)

Renown 1 (When this creature deals combat damage to a player, if it isn't renowned, put a +1/+1 counter on it and it becomes renowned.)
When Cauldish Cavalier becomes renowned, you may pay 2 life. If you do, draw two cards.

Other nonland permanents enter tapped.
Your opponents can't activate abilities of tapped permanents.

Improve {1} ({1}: Put a +1/+1 counter on this artifact. This costs {1} more to activate for each +1/+1 counter on it. Improve only as a sorcery.)
Whenever one or more creatures crew Cavalier Deluxe Roadster, you may phase out up to one of those creatures.
Crew 1. Activate only once during each of your turns.

When Cave Eel enters, look at the top three cards of your library. Put one on top and the rest on the bottom in any order.

Cadence (Whenever you cast a spell, if its mana value is greater than this creature's power, put a +1/+1 counter on this creature.)
Whenever you cast a spell, if its mana value is less than Cavorting Beauty's power, remove a +1/+1 counter from Cavorting Beauty.

Flash
Return another artifact, creature, or enchantment you control to its owner's hand: Caylin Whirlwind gets +3/+3 until end of turn. Activate only once each turn.

First strike
Whenever a creature blocks Celestial Conscript, put a -1/-1 counter on that creature.

Flying (This creature can't be blocked except by creatures with flying or reach.)
Motivate 1 (When this creature enters, you may motivate target creature with less power than this by putting a +1/+1 counter on it.)

Whenever you cast a Dwarf or Elf spell, exile the top card of your library. You may play it this turn.
Whenever you cast your third spell each turn, Celitiene deals 2 damage to any target. If you control a Dwarf, Celitiene gets +2/+2 and gains trample until end of turn. If you control another Elf, you gain 2 life.

Lifelink
Whenever you cast a noncreature spell, put a +1/+1 counter on Ch'aska Walla Vanguard.

Whenever a creature an opponent controls becomes tapped, put a +1/+1 counter on Chalkira Duelist.

Haste
When Challenging Pupil enters, conjure a card named Fatigue and put it on top of your library. (It's a colorless sorcery that costs {2} with “Draw a card.”)

Double strike
Motley — As long as there are five or more names among nonland permanents you control, Champion of Blades has vigilance, trample, and haste.

Menace (This creature can't be blocked except by two or more creatures.)
Heroic — Whenever you cast a spell that targets Champion of Keranos, Champion of Keranos deals 2 damage to each opponent.

First strike, haste
Wanderlust — At the beginning of combat on each of your turns, if you control four or more differently named lands, you may pay {1}{R}. If you do, create a 4/4 red Dragon creature token with flying and haste. Exile that token at end of combat.

Whenever another creature you control enters, this creature gets +1/+1 until end of turn. The first time each turn a nontoken Citizen or Peasant entering causes this ability to trigger, instead create a 1/1 white Peasant creature token.

Lifelink
Instant and sorcery spells you control have lifelink.
{2}{R}{W}: Copy target instant or sorcery spell. You may choose new targets for the copy.