msem-instigator

Peasant Crusher can't be blocked by creatures with power 1 or less.

{G}, Discard a noncreature card: Reveal the top five cards of your library. You may put a creature card with mana value X or less from among them into your hand, where X is the discarded card's mana value plus one. Put the rest on the bottom of your library in any order.

When Peddler of Commonwares enters the battlefield, you may draw a card. If you do, discard a card.

Exile target land. 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 a spell or ability with one or more targets is put onto the stack, reselect its targets at random.

Enchant creature you control
Enchanted creature has lifelink.
When Phantasmal Possession enters the battlefield, exile target creature an opponent controls until Phantasmal Possession leaves the battlefield.

If a source would deal damage to you or a permanent you control this turn, prevent all but 1 of that damage.
Metamorph {1}{W} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up and cast it at any time for its metamorph cost.)

Whenever Pillager's Sloop attacks, you may draw a card. If you do, discard a card.
Crew 1 (Tap any number of creatures you control with total power 1 or greater: This Ship Vehicle becomes an artifact creature until end of turn.)

Destroy target creature with flying. You may put a land card from your hand onto the battlefield.

When Pious Flutist enters the battlefield, 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.”)

Enchant player
Whenever a creature enters the battlefield under enchanted player's control, they lose 1 life.

Target opponent reveals their hand. You choose a creature card from it and exile that card.
Ferocious — If you control a creature with power 4 or greater, instead choose a nonland card from their hand and exile that card.

Whenever equipped creature attacks, each player loses 3 life.
Equip {2}

Return target blocking creature to its owner's hand. Creatures blocked by that creature get +1/+1 and gain trample until end of turn.

Alpha (You may have this creature enter the battlefield with a +1/+1 counter on it. If you do, it becomes alpha and can only attack alone.)
Trample

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
Whenever you cast an instant or sorcery spell, up to one other target creature has base power and toughness 0/2 until end of turn.

Vigilance, trample
{5}{R}{G}: Monstrosity 4. (If this creature isn't monstrous, put four +1/+1 counters on it and it becomes monstrous.)

As Prairie Monastery enters the battlefield, you may tap an untapped creature you control. If you don't, Prairie Monastery enters the battlefield tapped.
{T}: Add {G} or {W}.

Preacher of the Yenzu gets +2/+0 and has flying as long as you control a legendary creature.

Haste
{4}{R}: Monstrosity 2. (If this creature isn't monstrous, put two +1/+1 counters on it and it becomes monstrous.)

Enchant creature
Enchanted creature can't attack or block.
When enchanted creature leaves the battlefield, you gain 4 life.

Alpha (You may have this creature enter the battlefield with a +1/+1 counter on it. If you do, it becomes alpha and can only attack alone.)
Vigilance, reach, trample
{4}{G}{G}, Exile Qiyan, Serpent of Seven Heads from your graveyard: Create seven 1/1 green Snake creature tokens. Activate only as a sorcery.

Destroy all nonlegendary creatures.

Deathtouch
Whenever a creature dealt damage by Rabid Rodent this turn dies, put a +1/+1 counter on Rabid Rodent.
{2}, Remove a +1/+1 counter from Rabid Rodent: Regenerate Rabid Rodent.