msem-instigator

Flying
Spirited (When this creature enters, you may activate one of its activated abilities without paying its cost.)
{5}: Each opponent sacrifices a nonland permanent.

Target creature you control fights target creature you don't control.

Each opponent plays with the top card of their library revealed.
During each of your turns, you may play one card from the top of an opponents' library, and you may spend mana as though it were mana of any color to cast that spell.

Target opponent discards two cards. You gain 2 life. (Then exile this card. You may cast the creature later from exile.)

Each creature you control has every creature type among other creatures you control in addition to their own.
Creatures you control get +1/+1 for each of their creature types.

Choose a permanent type. Permanents you control of that type gain hexproof until end of turn.
Spell mastery — If there are two or more instant and/or sorcery cards in your graveyard, permanents you control gain hexproof until end of turn instead.

Vigilance
When Traveling Duo enters, create a 1/1 colorless Servo artifact creature token.

Wind-Scarred Crag enters tapped.
When Wind-Scarred Crag enters, you gain 1 life.
{T}: Add {R} or {W}.

Enchant non-Camel creature
When Dehydrate enters, draw a card.
Enchanted creature gets -1/-0.

Discard your hand, then draw three cards. If you spent at least {W}{U}{B}{R}{G} to cast this spell, you may cast any number of cards drawn this way without paying their mana costs.
Exile Face Your Demons.

When Wu, the Shackled enters, you may have an opponent gain control of it. If you do, draw two cards.
At the beginning of your upkeep, if you don't own Wu, it fights another target creature you control and its owner draws a card.

Haste
{1}{W}: Fellor Heartstriker gains lifelink until end of turn.

Target player discards a card. If that player discards a land card this way, they lose 3 life.

Rhapsody {3}{R}{R} (Pay {3}{R}{R} to cast this as a 4/4, or as a sorcery to make it become a 4/4.)
Whenever Vindictive Guardian or another creature you control enters, if that creature's power is 4 or greater, create a Treasure token.

Equipped creature gets +2/+1.
Whenever equipped creature attacks, create a 1/1 white Peasant creature token that's tapped and attacking.
Equip {2}

Counter target spell unless its controller pays {3}. If you own a foretold card in exile, counter that spell unless its controller pays {6} instead.

({T}: Add {U} or {B}.)
Muggy Mire enters tapped unless you control two or more basic lands.

{T}, Sacrifice Forgewatcher: Add two mana of any one color. If that mana is spent on a creature spell, it gains haste until end of turn.

Foretell {1}{R} (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.)
Brimstone Oration deals 2 damage to any target. If this spell was foretold, it deals 4 damage to any target instead.

Each player sacrifices X lands. Chew the Scenery deals X damage to each creature.

Exile target creature, return it to the battlefield tapped under its owner's control, then choose one —
• Put a +1/+1 counter on it.
• Put a stun counter on it. (If a permanent with a stun counter would become untapped, remove one from it instead.)

Target player loses 1 life. Scry 1.
Fabled {2}{B} (Then if you cast this for its fabled cost, put it onto the battlefield transformed attached to that player.)

Flash
When this creature enters, look at the top six cards of your library. You may reveal an instant card or card with flash from among them and put it into your hand. Put the rest on the bottom in a random order.

Whenever you innovate, put a loyalty counter on Volta the Innovator. (You innovate as you cast a spell, draw a card, or have a land enter beyond the first of each in a turn.)
[–2]: If you would draw a card this turn beyond the first, draw twice that many cards instead.
[–3]: Whenever you cast your second spell this turn, copy it. You may choose new targets for the copy.