msem-instigator

Runescale Brawler enters with three +1/+1 counters on it.
If damage would be dealt to Runescale Brawler while it has a +1/+1 counter on it, prevent that damage and remove a +1/+1 counter from Runescale Brawler.

(As an Encounter enters, choose an opponent to protect it. You and others can attack it. When defense counters are removed, create a 0/0 Army token if you don't control one, then put that many +1/+1 counters on a Army you control.)
When Crisis in Soli enters, amass Soldiers 3. (Put three +1/+1 counters on an Army you control. It's also a Soldier. If you don't control one, create an 0/0 black Soldier Army creature token first.)

At the beginning of your end step, put a creature card that's exiled with this enchantment onto the battlefield under your control. That creature becomes a 1/1 Spirit creature in addition to its other types and gains flying and “If this creature would die, put it on the bottom of its owner's library instead.”

Renown 1
Whenever a creature you control becomes renowned, exile the top card of your library. You may play that card this turn.

Fardancer Liege's power and toughness are each equal to the number of colors of mana that lands you control could produce.

Any number of target creatures you control each fight target creature with power 3 or greater. (All fight damage happens simultaneously.)

Each other Okus planeswalker you control enters with two additional loyalty counters on it.
[–2]: Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn.

Double strike

{T}, Pay 1 life: Add {B} or {G}.
{1}, {T}, Sacrifice Seedy Bar: Investigate. (Create a colorless Clue artifact token with “{2}, Sacrifice this artifact: Draw a card.”)

Equipped creature gets +1/+0 and has “Whenever this creature becomes tapped, you gain 1 life.”
Equip {2}

When Forlorn Murklurker dies, submerge the top card of your library. (To submerge a card, exile it, then put it on the battlefield face down under its owner's control as a 2/2 creature.)

Echoing Thunder deals 3 damage to target creature and all other creatures with the same name as that creature.

Target creature and all other creatures with the same name as that creature get +2/+0 until end of turn.

When Hideaway Agent enters, gain control of target nonland permanent with mana value 3 or less for as long as you control Hideaway Agent.

First strike
When Enlistment Officer enters, reveal the top four cards of your library. Put all Soldier cards revealed this way into your hand and the rest on the bottom of your library in any order.

Target creature gets -9/-0 until end of turn. Create an Idol token. (It's an artifact with “{1}, Sacrifice this artifact: Put a +1/+1 counter on target creature. Activate only as a sorcery.”)

Whenever equipped creature attacks, it deals damage to defending player equal to the number of instant and sorcery cards in your graveyard.
Equip {2}

Infiltrate (Whenever one or more attacking creatures you control aren't blocked, this creature gets +1/+1 until end of turn.)
Whenever Captain of the Exiled deals combat damage to a player, draw a card.

Whenever a creature in Water Sutra Daoshi's pack dies, return a creature card with lesser mana value than that creature from your graveyard to your hand. (Two or more creatures you control with equal power are in a pack.)

Lands you control have “{T}: Add one mana of any color.”
{T}: Add one mana of any color.

Target creature gets -2/-0 until end of turn. If that creature is tapped, draw a card.

Reveal the top three cards of your library. Put one into your hand and the rest on the bottom of your library in any order.

If casting this spell causes a triggered ability of its target to trigger, that ability triggers an additional time.
Target creature gains first strike until end of turn.

If one or more counters would be put on a permanent you control, you may have that many counters plus one or that many counters minus one put on that permanent instead.

Create two 1/1 red Soldier creature tokens with haste.
Creatures you control get +1/+1 until end of turn.