msem-instigator

At the beginning of your upkeep, put a loyalty counter on each planeswalker you control.
[0]: Tap target creature.
[–1]: Untap target basic land.
[–7]: Draw up to six cards.

Menace
When Azuma Hashiro, the Thronebreaker enters the battlefield, you may cast up to two cards from your opponents' graveyards without paying their mana costs. If those spells would be put into a graveyard, exile that card instead.

Flash
When Dragonwall Samurai enters the battlefield, prevent all combat damage target creature would deal this turn.

Put target attacking or blocking creature on the bottom of its owner's library.

Legendary creatures you control get +1/+1.

Empress Kogane can't attack or block.
Whenever an opponent casts a spell, you may gain life equal to that spell's mana value.

First strike, vigilance, lifelink

Destroy target enchantment and all other enchantments with the same name as that enchantment.
Draw a card.

As an additional cost to cast this spell, sacrifice a creature.
Exile target creature.

For each Equipment you control, you may attach it to target creature you control.
Draw a card.

Tap any number of untapped creatures you control. You gain 4 life for each creature tapped this way.

At the beginning of each upkeep you may pay {W}. If you do, tap target creature.

Double strike
Art of war — At the beginning of your end step, if Kogane's Swordmaster dealt damage to an opponent this turn, put a +1/+1 counter on it.

Equipped creature gets +2/+2.
Art of war — At the beginning of your end step, if equipped creature dealt damage to an opponent this turn, create a 1/1 white Human Samurai creature token.
Equip {2}

Exile target nontoken permanent you control, then return that card to the battlefield under its owner's control.

Protector of the Gates can't attack unless it's equipped, enchanted, or has a card inscribed onto it.

Flying
Sakura Spirit has lifelink as long as it's equipped, enchanted, or has a card inscribed onto it.

Art of war — At the beginning of your end step, if Sheraku Elite dealt damage to an opponent this turn, put a +1/+1 counter on it.

When Taiyohata's Dominion enters the battlefield, draw a card, then choose a creature card name.
Once each turn, when a creature with the chosen name enters the battlefield under your control, you may create a 1/1 white Human Samurai creature token.

First strike
Art of war — At the beginning of your end step, if Teikoku Cavalry dealt damage to an opponent this turn, put a +1/+1 counter on it.

Art of war — At the beginning of your end step, if Teikoku Daimyo dealt damage to an opponent this turn, put a +1/+1 counter on each creature you control that attacked this turn.

Vigilance
Art of war — At the beginning of your end step, if Teikoku Samurai dealt damage to an opponent this turn, put a +1/+1 counter on it.

Creatures you control get +1/+1 until end of turn.
Inscribe {2}{W}

Prevent all damage that would be dealt to target attacking or blocking creature this turn.
Inscribed creature gets +1/+1 and has vigilance.
Inscribe {2}{W}

Create two 1/1 white Human Samurai creature tokens. Those creatures gain first strike until end of turn.