msem-instigator

Punish Aggression deals 4 damage to target attacking or blocking creature.

Destroy all creatures that aren't enchanted or equipped.

Flash
When Purehorn Rescuer enters the battlefield, return target permanent card with mana value X or less from your graveyard to the battlefield, where X is your devotion to white. (Each {W} in the mana costs of permanents you control counts toward your devotion to white.)

First strike, lifelink

Choose one —
• Purging Light deals 3 damage to target attacking or blocking creature. If that creature would die this turn, exile it instead.
• Exile target enchantment.

Kicker {W} (You may pay an additional {W} as you cast this spell.)
When Purging Priestess enters the battlefield, you may destroy target enchantment. If Purging Priestess was kicked, you gain life equal to that enchantment's mana value.

This spell costs {1} less to cast if it targets a creature with power 3 or less.
Destroy target attacking or blocking creature.

Exile target artifact or enchantment. You gain 3 life.

Enchant creature
Enchanted creature can't attack or block.
When enchanted creature leaves the battlefield, you gain 4 life.

Whenever you cast a cryptic spell, tap up to one target nonland permanent. (Artifacts, enchantments, and modal spells are cryptic.)

You may change any targets of target spell that targets you or a permanent you control. If you don't, counter that spell.

Destroy target tapped creature, then untap all creatures you control.

First strike
Other creatures you control have protection from mana value 3 or greater.

Whenever Queen Hannaru enters the battlefield or attacks, put a +1/+1 counter on another target creature you control.
At the beginning of your upkeep, if there are four or more +1/+1 counters among creatures you control, you may transform Queen Hannaru.

Target creature you control gets +2/+2 until end of turn. If it's attacking, it gains indestructible until end of turn.

Create three 1/1 white Peasant creature tokens. Scry 1.

Whenever Queensguard attacks, another target attacking Knight or Soldier gains indestructible until end of turn.

Destroy all nonlegendary creatures.

When Rabudan Chiseler enters the battlefield, you may search your library for an Aura or Equipment card, reveal it, put it into your hand, then shuffle.

Enchant nonland permanent
Enchanted permanent can't attack and its activated abilities can't be activated.

Enchant creature
Enchanted creature gets +1/+2 and has flying.

Flying
Whenever a creature you don't control deals damage, its controller sacrifices it unless that player pays {2}.

Whenever an enchantment enters the battlefield under your control, create a 1/1 colorless Construct Actor creature token.
Token creatures you control have vigilance.

When Radiant Rebuker enters the battlefield, exile target nonland permanent an opponent controls until Radiant Rebuker leaves the battlefield.

Target creature gets +2/+2 until end of turn. If it's multicolored, it also gains indestructible until end of turn.