msem-instigator

Whenever Bygone Wreck deals combat damage to a player, you may sacrifice it. If you do, create five Treasure tokens.
Crew 1 (Tap any number of creatures you control with total power 1 or greater: This Vehicle becomes an artifact creature until end of turn.)

Target opponent discards two cards, then sacrifices a creature.

If one or more counters would be put on a creature you control, that many plus one of each of those kinds of counters are put on that creature instead.

Enchant creature with mana value 4 or less
When Cyclic Dream enters, tap enchanted creature.
Enchanted creature doesn't untap during its controller's untap step.

When Lost Kitten leaves the battlefield, create a 1/1 white Peasant creature token.

If you would draw a card, instead exile the top three cards of your library face down. You may look at those cards. Put a card exiled with Brainstorming Session into its owner's hand.
{X}{X}{U}, Sacrifice Brainstorming Session: Put X cards exiled with it into their owner's hand.

Whenever one or more creatures die for the first time each turn, you draw a card and you lose 1 life.
Whenever you cast a black noncreature spell, Villainy deals 2 damage to any target and you gain 2 life.

Untap all other Elves you control during each other player's untap step.
You may cast spells as though they had flash.

Eureka! (At the beginning of each end step, you get a research counter if you cast a spell this turn. Then if you have eight or more research counters, remove them and create a Masterpiece token of your choice.)
Whenever an artifact you control enters, up to two target creatures get +1/+0 and haste until end of turn.

When Duncaster Nightwatcher enters and whenever you cast a noncreature spell, create a 1/1 colorless Human creature token.
Whenever you attack with three or more creatures, return target noncreature, nonland card with mana value 3 or less from your graveyard to your hand.

Exile cards from the top of your library until you exile an instant or sorcery card. Put that card into your hand, then Overzealous Tutor deals damage to up to one target creature equal to the number of cards you own in exile.

Enchant creature
When Queenscoming Feast enters, draw a card.
Whenever enchanted creature attacks, create a 1/1 white Peasant creature token.

Tap target creature. Prevent all damage that would be dealt to and dealt by that creature this turn.

As an additional cost to cast this spell, discard a nonland card.
Draw two cards.

Whenever an attacking creature you or a teammate controls dies, you lose 1 life and draw a card.

Trample
Each opponent can cast spells only any time they could cast a sorcery.
Auras you control attached to other permanents you control also enchant Sacred Lynx if able.

Glitch {2} (Remove one [restriction] for each time you pay the glitch cost.)
Improbable Aim deals damage to target creature or planeswalker equal to the number of [instant and sorcery] cards in your graveyard.

Counter target spell and each other spell with the same name as that spell.

As an additional cost to cast this spell, tap X untapped creatures you control.
Lightning Chorus deals X damage to any target and you gain X life.

Whenever you investigate for the first time each turn, investigate an additional time.
{T}, Sacrifice an artifact: Cadalon Inspector deals 2 damage to any target.

Flip a coin until you lose a flip or choose to stop flipping. Exile the top X cards of each player's library, where X is 1 plus the number of flips you won. You may play those cards until the end of your next turn, and you may spend mana as though it were mana of any color to cast those spells.

Whenever you cast an instant or sorcery spell, you may attach Stormbreaker's Edge to target creature you control.
Equipped creature gets +3/+0.
Equip {3}

Whenever you sacrifice a permanent, put a +1/+1 counter on Shipment Overseer.
Surpass {5}{R} ({5}{R}: Transform this creature. This costs {1} less to activate for each counter on it. Activate only as a sorcery.)

Creatures your opponents control get -2/-0 until end of turn.
Draw a card.

First strike
Sacrifice Fearless General: Soldiers you control gain indestructible until end of turn.