msem-instigator

You may reveal a creature card from your hand. Return each creature with power less than the greatest power among creatures you control and creature cards revealed this way to their owners' hands .

Flash
Creatures you control get +1/+1.

Your opponents skip their upkeep steps.
At the beginning of your first upkeep each turn, you get an additional upkeep step after this step.

Wu Xing (Add effects based on the number of colors of mana spent to cast this spell.)
1 | Destroy target tapped creature.
3 | Prevent all combat damage that would be dealt this turn.

Choose one or both —
• Target opponent with more cards in hand than you reveals their hand. Choose a nonland card revealed this way. That player exiles it.
• Exile target nonland permanent if its controller controls more nonland permanents than you.
For as long as those cards remain exiled, their owner may play them. A spell cast this way costs {2} more to cast.

Equipped creature gets +3/+3.
Prevent all combat damage that would be dealt to equipped creature.
Equip {3}

Reach
As Celestial Principality enters, choose a number.
Noncreature spells with mana value equal to the chosen number can't be cast.

When Celestial Scythe enters, attach it to target Angel, Demon, Faerie, or Spirit you control.
Equipped creature gets +2/+1.
Equip {2}

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.)

You may cast spells with mana value 5 or greater as though they had flash.
As long as you control a permanent with mana value 5 or greater, Cenotaph Conjurant gets +2/+0 and can't be blocked.

Trample
{4}{G}: Centaur Warband gets +2/+2 until end of turn.

{T}: Add {C}.
Civilized — {T}: Add {C}{C}. Activate only if you control an artifact, a creature, and an enchantment.

Whenever you cast a spell, if it isn't your main phase, create a 1/1 white Monk creature token, then creatures you control get +1/+1 until end of turn.

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)
Whenever Centipede Engine attacks, you may have target creature block it this turn if able.

Flash
When Cephalovorous Flukes enters, counter target spell or ability that targets you or a permanent you control.

Wu Xing (Add effects based on the number of colors of mana spent to cast this spell.)
1 | Target creature you control deals damage equal to its power to target creature or planeswalker.
3 | Draw a card.

Golden age (If you cast an instant or sorcery spell, activated a nonmana ability, and attacked this turn, enter a renaissance for this game.)
Equipped creature gets +2/+0.
As long as you're in a renaissance, equipped creature has first strike.
Equip {3}

Legacy (You may play this side of this card only from your graveyard. Exile it if it would be put into a graveyard or not resolve.)
Shuffle any number of target cards in graveyards into their owners' libraries.
Scry 2, then you gain 3 life.

Flying
When Cerulean Curtain Treasurer enters, audition for blue, then audition for blue again. (Create a 1/1 Construct Actor creature token, a Wizard Role giving 2/2 and prowess, or a Warlock Role giving 2/1 and flying. Roles replace older ones.)

Flying
When Cerulean Sovereign enters, you may return target creature an opponent controls or instant or sorcery card in your graveyard to its owner's hand.

Cesspool Scrapper can't block.
{5}{U}, Exile Cesspool Scrapper from your graveyard: Draw two cards.

When Ch'aska Walla Captain enters, if you cast it, you may return an enchantment card from your graveyard to the battlefield. When you do, you gain life equal to that enchantment's mana value.

As long as you control three or more creatures with the same name, Scouts and Wizards you control can't be blocked.
A deck can have any number of cards named Ch'aska Walla Chasqui.

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