msem-instigator

Menace
Other attacking Hounds you control get +2/+0.

Majestic Nauticorn has first strike as long as it's attacking.
Cycling {W} ({W}, Discard this card: Draw a card.)

When Primordial Progenitor dies, create two 1/1 red Elemental creature tokens.

You gain 4 life. Then if {R} was spent to cast Starglare, it deals 4 damage to up to one target creature.

When this enchantment enters, create a 1/1 white Peasant creature token.
{B/R}, Sacrifice a creature: Exile the top card of your library. You may play that card this turn.

Lifelink
At the beginning of your end step, if you gained life this turn, put a +1/+1 counter on Backstage Manager.

First strike
{1}{R}: Hatsuo, Honored General and other Warrior creatures you control get +1/+0 until end of turn.

Flying
When Zephyr Gliders enters, up to two target creatures you control gain flying until end of turn.

Choose any number of target nonland permanents each controlled by different players. For each of those permanents, return it to its owner's hand. If you returned a permanent you controlled this way, create a 3/3 green Plant Elemental creature token with reach.

Choose one or all —
• Dreamfire deals X damage to target creature.
• Dreamfire deals X damage to each player.
• Target creature gets +X/+0 until end of turn.

Trample
Lotusleaf Blade gets +1/+1 as long as you control another Warrior.

Whenever one or more cards leave your graveyard, each opponent loses 1 life and you gain that much life.

Put target creature on top of its owner's library.
Quickdraw {2}{U} (When a creature you control blocks or becomes blocked, you may cast this spell for {2}{U}.)

When Runed Servitor dies, each player draws a card.

Equipped creature gets +2/+1.
Equipped creature has first strike as long as it's attacking.
Whenever a Knight or Soldier you control attacks, you may attach Chevalier's Lance to it.
Equip {3}

Artifact spells you cast cost {1} less to cast.
{2}, Sacrifice an artifact: Target creature gains deathtouch until end of turn.

Whenever Inquisitive Guardian deals combat damage to an opponent, you may exile a nonland card from your graveyard. If you do, draw a card.
{U}: Inquisitive Guardian gains flying until end of turn.

Archive 2 (As this enters, shuffle the top two cards of your main library into a new face up library. Sacrifice this after the archived library is empty.)
{R}{W}: Put a nontoken artifact or creature you own on the bottom of the archived library. Create a token that's a copy of it.

Basin Fortress enters tapped unless you control a basic land.
{T}: Add {B} or {G}.

Instant and sorcery spells you cast cost {1} less to cast.
Rapport — Whenever Selma Lappowen and at least one other creature you control become tapped, exile the top card of your library. Until end of turn, you may play that card.

Flying, haste
Whenever you cast an instant or sorcery spell, Sovereign of Old Jidai gets +1/+0 until end of turn.

When Explorer's Torch enters, draw a card.
Equipped creature gets +1/+1.
Equip {1}

This spell costs {1} less to cast for each Scarecrow you control.
Other creatures you control get +0/+2 and have vigilance.

Flash
Spirited (When this creature enters, you may activate one of its activated abilities without paying its cost.)
{1}: Remove target attacking creature you control from combat and untap it.

Other Pirates you control get +1/+0.
Whenever another Pirate you control enters, Hookhand Freebooter deals 1 damage to any target.
When Hookhand Freebooter dies, create a Bullet token. (It's an artifact with “{T}, Sacrifice this artifact: It deals 1 damage to any target.)