msem-instigator

Primal {1}{B}{B} (During your turn, you may cast this spell for {1}{B}{B} instead of playing a land.)
Flying
Whenever a creature deals damage to Divine Butcher, destroy that creature. You gain life equal to that creature's toughness.

All damage that would be dealt to you is dealt to Escyf, Fallen Sundancer instead.
Whenever Escyf perseveres, put a +1/+1 counter on it. (A creature perseveres when it survives damage.)

{W}, {T}: Target creature doesn't untap during its controller's next untap step.

Whenever you cast a spell that doesn't share a color with Feathered Warden, you may gain 1 life.

Forsaken Sunseeker gets +1/+1 and has flying as long as it's not your turn.

You can't lose the game this turn and your opponents can't win the game this turn. At the beginning of the next end step, your life total becomes 5.

Prevent all damage that would be dealt to each of up to three target permanents this turn.

Look at the top five cards of your library. You may reveal an enchantment card from among them and put it into your hand. Put the rest on the bottom of your library in any order.

Whenever Gravelocked Seeker blocks, return target creature card from your graveyard to the battlefield blocking a creature that's attacking you (even if that block would be illegal).

Whenever you cast a black spell, you may exile target creature. Return that card to the battlefield under its owner's control at the beginning of the next end step.
Whenever you cast a red spell, you may have Haunted Sunseeker deal 1 damage to each creature.

Enchant creature
Prevent all damage that would be dealt by enchanted creature.
{R}, Sacrifice Heat of Day: It deals 2 damage to enchanted creature.

Whenever you cast a white spell, create a 1/1 white Nymph creature token.

{B}, Sacrifice a creature: Put a +1/+1 counter on Lightwrencher.

Heretic (Whenever you cast a spell that doesn't share a color with this creature, it gets +1/+1 until end of turn.)
{1}{B}: Lost Dancer becomes black and gains lifelink until end of turn.

Flying
Heretic (Whenever you cast a spell that doesn't share a color with this creature, it gets +1/+1 until end of turn.)

Whenever Lotus Acolyte attacks, it gets +1/+0 and gains lifelink until end of turn.

Creatures you control gain lifelink until end of turn.

Whenever a creature enters, you may tap it. If you do, put a +1/+1 counter on it.

Sacrifice Moonlight Agent: Blocking creatures gain first strike until end of turn.

First strike
Other Harpies you control get +1/+1 and have first strike.
Whenever a Harpy you control dies, put a +1/+1 counter on Moonlight Stalker.

Enchant creature
Enchanted creature can't attack or block unless its controller pays {3}.
Activated abilities of enchanted creature cost {3} more to activate.

Lifelink
Heretic (Whenever you cast a spell that doesn't share a color with this creature, it gets +1/+1 until end of turn.)

Target player sacrifices an attacking creature. You gain life equal to that creature's power.

When Rotting Sunseeker dies, return target creature card with power 2 or less from your graveyard to your hand.

Primal {W} (During your turn, you may cast this spell for {W} instead of playing a land.)
Destroy target attacking or blocking creature.