msem-instigator

The next time one or more creatures you control would die this turn, exile those cards. You may play them until the end of your next turn.

Until end of turn, target creature gets +1/+1 and gains lifelink.

Whenever Little Kibo attacks, you may pay {W}{W}. If you do, transform it.

Menace
Crew 3
You may exile two creature cards from your graveyard rather than pay Phantom Walker's crew cost.

Until end of turn, target creature loses all abilities and has base power and toughness 1/1.
Draw a card, then discard a card.

{T}: Add {C}.
{7}, {T}: Copy target instant or sorcery spell with {X} in its mana cost. You may choose new targets for the copy. This ability costs {1} less to activate for each instant and sorcery card in your graveyard.

When Caustic Lurker dies, target player loses 1 life.

Whenever you put a counter on another permanent you control, put a +1/+1 counter on Herald of Ruination. This ability triggers only once each turn.
Surpass {5}{G} ({5}{G}: Transform this creature. This costs {1} less to activate for each counter on it. Activate only as a sorcery.)

{1}, Sacrifice Ruinous Proselyte: Destroy target artifact or nonbasic land.

Haste
Winnow (Damage dealt to this creature also causes you to lose that much life.)

Sunset Cliffs Hunter gets +1/+0 and has first strike as long as a player controls a permanent with a bounty counter on it.

Stunning Cascade enters tapped.
{T}: Add {U} or {R}.
{2}{U}{R}, {T}, Sacrifice Stunning Cascade: Draw a card.

Whenever you cast an artifact or enchantment spell, scry 1, then create a 1/1 white Merfolk creature token.
Whenever you cast a Merfolk spell, look at the top card of your library. If it's an artifact or enchantment card, you may reveal it and put it into your hand.

Exile target artifact or enchantment. If its mana value is 3 or less, draw a card.

Flying
Tianyuren Skycharter has hexproof as long as you control a storied permanent. (Enchantments and legendary permanents are storied.)

This creature gets +1/+1 for each creature card in your graveyard.
{4}{R}, Sacrifice another creature: Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn. Activate only as a sorcery.

Whenever a creature in Sage of Circular Motion's pack becomes the target of a spell, draw a card. (Two or more creatures you control with equal power are in a pack.)

Gain control of target creature until end of turn and untap it. Until end of turn, it gains haste and “Whenever this creature attacks, it deals 2 damage to itself.”

Converge — Glitch enters with an additional loyalty counter on her for each color of mana spent to cast her.
[+1]: Create two 1/1 blue Elemental creature tokens with flying.
[–3]: Draw two cards. When you do, Glitch deals damage to any target equal to the number of cards in your hand.
[–10]: Destroy all lands, enchantments, and artifacts you don't control.

Siphon (Each -1/-1 counter you put on your creatures up to their remaining toughness while casting this pays for {1}.)
Draw X cards, where X is the greatest power among creatures you control. Then you may put a permanent card with mana value X or less from your hand onto the battlefield.

At the beginning of your upkeep, surveil 1. (Look at the top card of your library. You may put that card into your graveyard.)
{2}{U}{U}, Sacrifice Search for a New Land: Draw two cards.

Encourage ({T}: Another target creature you control gets +1/+1 until end of turn. Encourage only as a sorcery.)
Whenever Leotau Rider encourages a creature, that creature gains trample until end of turn.

Ward—Exile three cards from your graveyard. (Whenever this permanent becomes the target of a spell or ability an opponent controls, counter it unless that player exiles three cards from their graveyard.)
Menagerie — Astralhorn Familiar gets +2/+2 as long as there are five or more creature types among creatures you control.

As Vaertris' Master Plan enters, exile the top five cards of any player's library.
You may play cards exiled with Vaertris' Master Plan.
When there are no cards exiled with Vaertris' Master Plan, return it to its owner's hand.