msem-instigator

Target player discards two cards.
Coalesce {8}{B} (You may cast this from your graveyard for {8}{B}. If you do, it enters as a Horror creature after it resolves. Exile it if it would leave the battlefield or not resolve.)

Flying, haste
{2}{B}: Devourer of Dread gets +1/+1 until end of turn. If there are three or more creature cards in your graveyard, put a +1/+1 counter on Devourer of Dread instead.

Whenever Devourer of Legacy deals combat damage to a player, you may sacrifice it and choose a nonland card name. If you do, search that player's graveyard, hand, and library for any number of cards with that name and exile them. That player shuffles, then draws a card for each card exiled from their hand this way.

Menace
Sacrifice a creature: Devouring Flame gets +2/+0 until end of turn.

Defender
Whenever another player casts an instant or sorcery spell, Devouring Spellroot gets +2/+2 until end of turn.

When Dewdrop Oracle enters, reveal the top four cards of your library. You may put a noncreature card from among them into your hand. Put the rest on the bottom of your library in any order.

Flying
At the beginning of your upkeep, exile the top or bottom card of target player's library. That player loses life equal to that card's mana value.

Target player sacrifices a creature. You may return up to one target Demon creature card from your graveyard to your hand.

As an additional cost to cast this spell, sacrifice a creature.
Search your library for up to X cards and put them into your hand, where X is the sacrificed creature's power, then shuffle.

You may cast spells as though they had flash.
Whenever you cast a sorcery spell, each opponent loses 3 life unless they discard a card or sacrifice a nonland permanent.

When Diao enters, create two 1/1 white Warrior creature tokens.
Whenever Diao attacks, put a +1/+1 counter on each attacking creature you control with the least power among those creatures.

When Diao, Dragoon Captain enters, create three 1/1 red and white Warrior creature tokens.
Whenever a creature you control attacks, invigorate 1. (Choose a creature with the least power among creatures you control and put a +1/+1 counter on it.)

Whenever a creature you control dies, put a loyalty counter on Dias, Freed from Belief.
[0]: Create a 2/1 black Nightmare creature token with “This creature can't block.”
[–X]: Destroy target creature or planeswalker unless an opponent pays twice X life.

Haste
{6}{R}: Diasune Immolator deals 4 damage to target player or planeswalker.

When Diasune Irregular enters, if you control another Warrior, draw a card.

Mark (Whenever this creature attacks, mark target creature until end of turn.)
Whenever a marked creature dies, Diasune Tracker deals 1 damage to target player.

Other Warriors you control get +1/+1.
Whenever one or more Warriors you control deal combat damage to a player, untap all lands you control.

Hexproof

Draw a card for each Wizard you control.
Wizardcycling {2}{U} ({2}{U}, Discard this card: Search your library for a Wizard card, reveal it, and put it into your hand, then shuffle.)

Elf creatures you control get +2/+2 and gain trample until end of turn.
Elfcycling {2}{G} ({2}{G}, Discard this card: Search your library for an Elf card, reveal it, and put it into your hand, then shuffle.)

Dictate of Rallios deals damage to any target equal to the number of Warriors you control.
Warriorcycling {2}{R} ({2}{R}, Discard this card: Search your library for a Warrior card, reveal it, and put it into your hand, then shuffle.)

Put target creature card from a graveyard onto the battlefield under your control. That creature is a black Zombie in addition to its other colors and types.
Zombiecycling {2}{B} ({2}{B}, Discard this card: Search your library for a Zombie card, reveal it, and put it into your hand, then shuffle.)

Create three 1/1 white Soldier creature tokens.
Soldiercycling {2}{W} ({2}{W}, Discard this card: Search your library for a Soldier card, reveal it, and put it into your hand, then shuffle.)