msem-instigator

Flash
When Swift Savior enters, if you control a legendary creature, you may have Swift Savior deal 2 damage to target attacking or blocking creature.

Flying, first strike
When Swiftclaw Griffin enters, return a creature you control to its owner's hand.

Flying
When Swooping Razorbeak enters, you may return another permanent you control to its owner's hand.

Golden age (If you cast an instant or sorcery spell, activated a nonmana ability, and attacked this turn, enter a renaissance for this game.)
Sword Dance deals 3 damage to target attacking or blocking creature. If you're in a renaissance, Sword Dance deals 5 damage to that creature instead.

First strike
When Sworn Cohort dies, you may search your library for a legendary card, reveal it, put it into your hand, then shuffle.

Enchant creature
When Sythian Scripture enters, put two +1/+1 counters on enchanted creature.
Enchanted creature gets +1/+1 and has indestructible and lifelink if you controlled a white legendary creature or planeswalker as you cast Sythian Scripture.

Lifelink (Damage dealt by this creature also causes you to gain that much life.)

Flying
When T'nege, Skyguard enters, exile another target creature you control until T'nege leaves the battlefield. If you do, exile target creature an opponent controls until T'nege leaves the battlefield.

Flying
{3}{W}: Taifeng Flockherd and each other creature in its pack get +1/+1 until end of turn. (Two or more creatures you control with equal power are in a pack.)

Flying
Other creatures you control with flying get +1/+0.

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

Lifelink
Art of war — At the beginning of your end step, if Takaki's Kihei dealt damage to an opponent this turn, untap target creature you control.

Destroy target creature, enchantment, or planeswalker. Its controller draws a card unless a creature died under your control this turn.

Tap target creature.
Showcase {2}{W} (Then if you cast this for its showcase cost, create a 1/1 red Bard creature token that can't block and exile this. Whenever it attacks, you may cast a free copy of this.)

Whenever a white creature you control enters, you may exile a nonwhite creature card from your graveyard. If you do, create a token that's a copy of that card.

Choose one or both —
• Target player searches their library for a basic Plains card, reveals it, put it into their hand, then shuffles.
• Exile target permanent you control, then return it to the battlefield under its owner's control.

Whenever Talent Scout enters or dies, return target creature card with mana value 2 or less from your graveyard to your hand.

Create three 1/1 colorless Spirit creature tokens.

Choose three. You may choose the same mode more than once.
• Tap target nonland permanent. It doesn't untap during its controller's next untap step.
• Exile target creature you control, then return it to the battlefield under your control.
• Target creature gets +1/+0 and gains lifelink and first strike until end of turn.

Choose one or both —
• You gain 5 life.
• Each player draws three cards.

This spell costs {2} more to cast for each target beyond the first.
Choose one or more —
• Exile target enchantment.
• Target player creates two tapped 1/1 white Soldier creature tokens.
• Taranika's Endeavor deals damage equal to the number of creatures you control to target creature or planeswalker.

Return two target creature cards from your graveyard to the battlefield. Shuffle Tearful Reunion into its owner's library.

When Teikoku Captain enters, create a 2/2 colorless Spirit creature token.
Colorless creatures you control have first strike.

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.