msem-instigator

Destroy all creatures that aren't enchanted or equipped.

Exile target artifact or enchantment. You gain 3 life.

Destroy target attacking or blocking creature.
Bulwark — This spell costs {1} less to cast if you control a creature with toughness 4 or greater.

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

Whenever Sanctuary is dealt damage, you gain that much life.
All damage that would be dealt to another creature you control is dealt to Sanctuary instead.

First strike
When Soulstone Commander enters the battlefield, return target Soldier creature card from your graveyard to the battlefield. That creature is a Spirit in addition to its other types.

Flying
When Soulstone Redeemer dies, you may exile target creature. If you do, you gain life equal to its toughness.

Bulwark — Whenever Soulstone Servant attacks, if you control a creature with toughness 4 or greater, Soulstone Servant gets +2/+2 and gains flying until end of turn.

Target creature gets +1/+0 and gains double strike until end of turn.

Steelborn Apprentice gets +1/+1 as long as you control an Equipment.

Enchant creature
Enchanted creature gets +1/+2.

Lifelink
Bulwark — Whenever Tharanos' Sentinel attacks, if you control a creature with toughness 4 or greater, untap it.

Flying
{2}{W}: Target Spirit creature gets +0/+1 until end of turn.

Vigilance
Bulwark — {1}{W}, {T}: Create a 1/1 white Soldier creature token. Activate only if you control a creature with toughness 4 or greater.

Armed — Winterborn Savage gets +1/+1 and has vigilance as long as it's equipped.

[+1]: Create a 1/1 blue Merfolk creature token with “When this creature dies, draw a card, then discard a card.”
[–1]: Target creature gets -2/-0 until your next upkeep and attacks during its controller's next turn if able.
[–7]: You get an emblem with “Creatures your opponents control get -4/-0 and attack each turn if able.”

When Allagras' Vanguard enters the battlefield, create two 1/1 blue Merfolk creature tokens with “When this creature dies, draw a card, then discard a card”.

Enchant creature
Enchanted creature gets +1/+1 and has flying and prowess.

Counter target spell. If that spell is countered this way, until the end of your next turn the next spell you cast that shares a type with it costs {X} less to cast, where X is the countered spell's mana value.

Counter target spell unless its controller pays {2}.
Reprise {3}{U} (As you cast an instant or sorcery spell, you may exile one card with reprise from your graveyard and pay its reprise cost. If you do, add its effects to that spell.)

Defender
Discard a card: Barge Engulfer can attack as though it didn't have defender until end of turn.

Tap up to two target creatures. They don't untap during their controller's next untap step.
Reprise {3}{U} (As you cast an instant or sorcery spell, you may exile one card with reprise from your graveyard and pay its reprise cost. If you do, add its effects to that spell.)

Engorge (As this enters the battlefield, mill three cards, then exile a card from among the milled cards.)
When Bloodchill Risen enters the battlefield, if it engorged an instant card, return target creature to its owner's hand.

{3}{U}, {T}: Copy target instant or sorcery spell you control. You may choose new targets for the copy.

Engorge (As this enters the battlefield, mill three cards, then exile a card from among the milled cards.)
Spells you cast that share a type with the card Chillwhisper Witch engorged cost {1} less to cast.