msem-instigator

You may look at the top card of your library at any time.
Whenever one or more creatures attack you, you may pay {1}{U}. When you do, draw a card.

Counter target spell unless its controller discards two cards.

Divine in Blood deals 2 damage to target player, then that player draws four cards.

When Soulcarver enters the battlefield, destroy up to one target non-Demon creature. If you do, create a 2/2 black Demon creature token and draw a card.

Flying
Glorious end — When Blinded Avenger dies, if it was tapped, destroy target creature you don't control.

Sacrifice a creature. At the beginning of the next end step, return that card from a graveyard to the battlefield under your control with two +1/+1 counters on it, except it's a black Demon instead of its other colors and types.

Glorious end — When Toros the Warchief dies, if it was tapped, return it to the battlefield at the beginning of the next end step.
Attacking creatures you control have deathtouch.

Whenever Glorybound Chorister attacks, put a +1/+1 counter on each other attacking creature you control.

Hymn of Fury deals 1 damage to each creature, then each creature you control gains haste and double strike until end of turn.

Each creature you control with a +1/+1 counter on it has trample.
{1}{R}{G}: Pyresong Aspirant deals 1 damage to target creature. You may have that creature gain hexproof until end of turn.

Enchant creature
Enchanted creature gets +2/+2 and has trample.
Whenever enchanted creature deals damage, you gain that much life.

When Remembrance of Light enters the battlefield, you may return target permanent card from your graveyard to your hand.
Revive—{4}{G}, Discard a card. ({4}{G}, Discard a card, 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.)

When Scion of Fecundity enters the battlefield, search your library for a creature card with mana value 2 or less, reveal that card, put it into your hand, then shuffle.
Revive—{1}{G}{W}, Discard a card. ({1}{G}{W}, Discard a card, 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.)

Flying, lifelink
Whenever a creature you control dies, Vindictive Regent gets +1/+1 until end of turn.
At the beginning of your end step, if you gained 3 or more life this turn, each opponent sacrifices a creature.

Until end of turn, creatures you control get +1/+1 and gain prowess. If there are two or more instant and/or sorcery cards in your graveyard, draw a card.

Mill five cards, then return up to one permanent card from your graveyard to your hand.

Flying
When Hallowed Executioner enters the battlefield, it deals 2 damage to each creature without flying.

Flash
When Hexfang Ascetic enters the battlefield, return target spell to its owner's hand.

[+1]: Mill two cards. Create a 1/1 green Spirit Snake creature token.
[0]: You may sacrifice a Spirit. When you do, return target permanent card from your graveyard to your hand.
[–2]: Exile another target nonland permanent until Rain Zai leaves the battlefield. You gain 2 life.

{2}: Carven Guardian gains reach until end of turn.

Defender
{2}, {T}, Sacrifice Granite Watchers: It deals 3 damage to target creature.

{T}: Add {C}. You gain 1 life.

As Joyous Chromatelk enters the battlefield, choose a color.
All cards that aren't on the battlefield, spells, and permanents are the chosen color in addition to their other colors.
{T}: Add one mana of the chosen color.

As Mind-Mute enters the battlefield, choose a card name.
Activated abilities of sources with the chosen name can't be activated unless they're mana abilities.
{5}: Return Mind-Mute to its owner's hand.

As Vanquisher's Banner enters the battlefield, choose a creature type.
Creatures you control of the chosen type get +1/+1.
Whenever you cast a creature spell of the chosen type, draw a card.