msem-instigator

Flash
Motivate 7 (When this creature enters, you may motivate target creature with less power than this by putting seven +1/+1 counters on it.)

At the beginning of your upkeep, mill two cards.

Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Target creature you control gets +1/+1 and gains hexproof until end of turn.

Haste
Distorted (This creature can be blocked by tapped creatures but not untapped creatures.)

Sacrifice a creature: Rapacious Demon gets +1/+1 and gains flying until end of turn. Activate only as a sorcery.

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
Infiltrate (Whenever one or more attacking creatures you control aren't blocked, this creature gets +1/+1 until end of turn.)

Whenever a creature you control dies, each opponent discards a card.
Revive {6}{B} ({6}{B}, Exile this card from your graveyard: Create a token that's a copy of it except it has no mana cost. Revive only as a sorcery.)

Whenever Ravencaller or another creature enters from your graveyard, create a 1/1 blue Bird creature token with flying.

When Ravenous Rats enters, target opponent discards a card.

Flying
Whenever an opponent discards one or more cards, fateseal 1. (To fateseal 1, look at the top card of an opponent's library, then you may put it on the bottom of that player's library.)

Razing Throng's power and toughness are each equal to the number of creatures you control.
Whenever one or more cards are put into exile from anywhere, create a 1/1 white Cleric creature token.
{2}{W}{W}: Exile a nonland card from a graveyard. You gain 3 life.

Creature tokens you control get +1/+1 and can block an additional creature each combat.

Scry 2, then draw two cards. You lose 2 life.

Whenever another creature you control dies, target player loses 1 life and you gain 1 life.
{1}{B}, Sacrifice a creature: Scry 1. (To scry 1, look at the top card of your library. You may put that card on the bottom of your library.)

Draw a card for each creature you control with a permanent attached to it.

Knight creatures you control have vigilance.
{2}{G}{W}: Put a +1/+1 counter on each creature you control.

Put four time counters on target nonland permanent. If it doesn't have vanishing, it gains vanishing. (At the beginning of your upkeep, remove a time counter from that permanent. When the last is removed, sacrifice it.)

Exile target instant or sorcery spell you control. Until end of turn, you may cast that card from exile without paying its mana cost. When you do, copy it. You may choose new targets for the copy.

As an additional cost to cast this spell, sacrifice a creature.
Return two target creature cards from your graveyard to your hand.

{T}, Sacrifice a land: Untap up to three target lands.

Target creature gets +3/+0 and gains haste and winnow until end of turn. (Damage dealt to it also causes its controller to lose that much life.)

Trial 6 (As you cast this spell, an opponent of your choice may pay 6 life. If they don't, they fail the trial.)
Flying
When Reckoner of Man enters, if the trial was failed, it deals 3 damage to each creature you don't control.