msem-instigator

Vigilance
Whenever another creature you control enters, scry 1.
{T}: Reveal the top card of your library. If it's a creature card, put it into your hand. Otherwise, you may put it into your graveyard.

Create two 1/1 white Soldier creature tokens. Prevent all damage that would be dealt to them this turn.

When Vedalken Wingcrafter enters, create a 1/1 colorless Thopter artifact creature token with flying.

Once during each of your turns, when a card is put into a graveyard from anywhere, you may cast it. You may spend mana of any color to cast that spell.
When Arroyo, Infinitely Branching is put into your graveyard from anywhere, you may cast it.

Whenever you cast a spell, if it shared a color with the last spell you cast this turn, put two +1/+1 counters on Defected Android.

Savage Lands enters tapped.
{T}: Add {B}, {R}, or {G}.

When Feverish Noble dies, you draw two cards and you lose 2 life.

Each player mills three cards. For each instant and/or sorcery card milled this way, draw a card.

Trample
Whenever Hellfire Titan enters or attacks, exile the top card of your library and up to one target instant or sorcery card with mana value 3 or less from your graveyard. Until the end of your next turn, you may play those cards.

Whenever you cast a spell that's white, blue, black, or green, create a 1/1 white Soldier creature token.

{2}, {T}, Sacrifice Tunnel Map: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Double strike
{1}{R}{W}: Target creature gains double strike until end of turn. Activate only if Bravery is in your graveyard.

Empress Kogane can't attack or block.
Whenever an opponent casts a spell, you may gain life equal to that spell's mana value.

Counter target spell unless its controller pays {2}. If there are three or more counters among permanents you control, counter that spell instead.

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.

Fall of the Axe deals 3 damage to any target.

Ward {1}
Streetslipper can't be blocked.
Whenever you foretell a card or cast a foretold spell, put a +1/+1 counter on Streetslipper.

Voracious 2 (As this enters, you may sacrifice up to two artifacts and/or creatures. This creature enters with that many +1/+1 counters on it.)
When Opportunistic Beast enters, destroy up to one target creature that was dealt damage this turn.

Choose any number of target nonland permanents each controlled by different players. For each of those permanents, return it to its owner's hand. If you returned a permanent you controlled this way, create a 3/3 green Plant Elemental creature token with reach.

Spend only mana produced by Treasures to cast spells.
{2}, Discard a card: Create two Treasure tokens.

Destroy target artifact or nonbasic land.

As an additional cost to cast Reality Reversal, return X nonland permanents you control to their owners' hands.
Return X plus one target nonland permanents to their owners' hands.

Whenever Supplanter of Realities attacks, proliferate. (You choose any number of permanents and/or players with counters on them, then give each another kind of a counter already there.)
Sacrifice another permanent: Supplanter of Realities gains indestructible until end of turn. Tap it.

Tap up to two target creatures. Those creatures don't untap during their controller's next untap step.

Vigilance
When Worn Peacekeeper dies, create a 1/1 white Soldier creature token with vigilance.