msem-instigator

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 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.

Spells your opponents cast this turn cost {1} more to cast. (Then exile this card. You may cast the creature later from exile.)

Attacking creatures you control have first strike.
Whenever Qulai, Orchard Guardian attacks or becomes the target of a spell or ability an opponent controls, conjure a card named Fox of the Orange Orchard into your hand. (It's a {1}{W} 3/1 Fox Spirit creature.)

When Rabudan Chiseler enters, 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 you control enters, create a 1/1 colorless Construct Actor creature token.
Token creatures you control have vigilance.

When Radiant Rebuker enters, 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.

(Add a quest counter as this enters. Sacrifice after 3.)
Whenever you attack, add a quest counter.
Tap target creature an opponent controls.
Create two 1/1 white Spirit creature tokens with flying.
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Create two 1/1 white Soldier creature tokens.

Rakkiri Initiate gets +0/+2 as long as it's embattled. (A creature is embattled if it has a counter on it or has a permanent you control attached to it.)

When Ralezza's Disciple enters, if you control an enchantment, you gain 3 life.

When Ralezza, Weaver of Okthuros enters, you may put target Aura card that could enchant it from a graveyard onto the battlefield attached to Ralezza.
{1}{W}, Sacrifice an Aura: Ralezza gains indestructible until end of turn.

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