msem-instigator

Humble Fieldhand gets +1/+0 and has vigilance as long as you control an Equipment.

When Humored Outlaw enters, choose one —
• Put a +1/+1 counter on Humored Outlaw. (Assassins, Mercenaries, Pirates, Rogues, and Warlocks are outlaws.)
• Destroy target artifact or enchantment.

Menace
Other Zombies you control get +1/+1.
Whenever a Zombie you control dies, each opponent loses 1 life.

Rapport — Whenever Hunting Hound and at least one other creature you control become tapped, Hunting Hound gets +2/+0 until end of turn.

Enchant artifact or creature
Enchanted permanent doesn't untap during its controller's untap step.

You may have Icefang Wurm assign its combat damage as though it weren't blocked.
{4}{G}{G}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)

Enchant creature
Enchanted creature gets +3/+3 and has flying.

At the beginning of your upkeep, scry 2.
Reveal the top card of your library: If a creature card with flying was revealed this way, Imperial Chimera gains flying until end of turn. The same is true for first strike, double strike, deathtouch, haste, hexproof, indestructible, lifelink, menace, reach, trample, and vigilance.

Enchant creature
When Inborn Instincts enters, enchanted creature deals damage equal to its power to target creature an opponent controls.
Enchanted creature gets +6/+6.

Destroy target tapped creature. You gain 2 life.

Harvest (You may tap any number of creatures you control as you cast this spell. If you do, reduce this spell's mana cost by their total power.)
Draw three cards.

Target player sacrifices a nontoken creature and mills three cards.

When Intrepid Shieldmate enters, target creature gets +1/+1 until end of turn.

Gain control of target creature until end of turn. Put a +1/+1 counter on it and another target creature you control and untap them. Those creatures gains haste until end of turn.

Target opponent reveals cards from the top of their library until they reveal two instant and/or sorcery cards. Exile those cards, then that player shuffles the rest into their library. You may cast cards exiled this way until end of turn, and you may cast them without paying their mana costs.

Menace
Whenever Issbarren Creeper deals combat damage to a player, draw a card, then discard a card.

Flying, haste
Dominance — At the beginning of combat on your turn, if you control the creature with the greatest power or tied for the greatest power, you may pay {1}{R}. If you do, return Issbarren Phoenix from your graveyard to the battlefield.

Flash
When Issbarren Warden enters, exile target token.

Counter target creature spell or target spell that targets a creature an opponent controls.

Enchant creature
When Join the Pack enters, create a 2/2 green Wolf creature token.
Enchanted creature gets +2/+2.

[+1]: Tap up to one target nonland permanent. It doesn't untap during its controller's next untap step, and its activated abilities can't be activated until it becomes untapped.
[–4]: Target player skips their next untap step.
[–8]: Exile all tapped permanents.

Search your library for a basic Forest card, put it onto the battlefield tapped, then shuffle.
Dominance — If you control the creature with the greatest power or tied for the greatest power, also search your library for a basic non-Forest card, reveal it, put it into your hand, then shuffle.

Destroy target creature.

When Leech-Ridden Corpse dies, each opponent loses 1 life and you gain 1 life.

Enchant creature
Embody (Enchanted creature is a copy of this card except for its types.)
As long as Legend of the Generous is tapped, other creatures you control get +2/+2.