msem-instigator

Whenever Pilgrim of Xifang's Climb blocks a creature, that creature doesn't untap during its controller's next untap step.

{U}: Pilgrim's Muse can't be blocked this turn.
{1}{U}: Return Pilgrim's Muse to its owner's hand.
{2}{U}: Scry 2.
{3}{U}: Draw a card.

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.)

When Pious Warden enters, choose one —
• Exile target creature you don't control until Pious Warden leaves the battlefield.
• Destroy target enchantment.
• You gain 5 life.

When Piruz, the Fourth Shah enters, discard your hand. For each creature card discarded this way, create a 3/3 black Demon creature token with flying. For each other card discarded this way, you gain 3 life.
Monument {5}{B}{B} (You may cast this transformed from your graveyard for its monument cost. Exile it if it would leave the battlefield or not resolve.)

Flying
Wither (This deals damage to creatures in the form of -1/-1 counters.)

Deathtouch
Unveil {3}{B}{G} ({3}{B}{G}: Transform this. Unveil only as a sorcery.)

Whenever you cast an instant or sorcery spell, each opponent loses 1 life.
Attain {3}{B} ({3}{B}: Transform this. Spend at least three colors of mana to activate this, and only as a sorcery.)

Menace, haste
Whenever another player casts a spell that targets Plasma Addict, that player gains control of Plasma Addict.

Adorned — Plated Valiant gets +2/+2 as long as it's equipped and/or enchanted.

This spell costs {1} less to cast if you cast a spell with a mana payment of exactly {U} this turn. The same is true for {R}.
Once each turn, when you cast a blue or red instant or sorcery spell with mana value 1, you may pay its mana cost. If you do, copy it. You may choose new targets for the copy.

When Poisonblade Herald enters, put a -1/-1 counter on a creature you control.

{2}{U}: Target creature can't be blocked this turn.

When Posthumous Informant dies, investigate. (Create a colorless Clue artifact token with “{2}, Sacrifice this artifact: Draw a card.”)

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

When Practiced Sorcerer enters, return target noncreature, nonland card from your graveyard to your hand.

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

{1}, {T}: Add one mana of any color.
Crew 1 (Tap any number of creatures you control with total power 1 or greater: This Vehicle becomes an artifact creature until end of turn.)

Whenever Precursor Omniprocessor attacks, you may sacrifice an artifact or creature. If you do, put a +1/+1 counter on Precursor Omniprocessor and it gains menace until end of turn.
Crew 2 (Tap any number of creatures you control with total power 2 or greater: This Vehicle becomes an artifact creature until end of turn.)

When Press-Gang Recruiter enters, create a Treasure token.
{5}, {T}, Sacrifice an artifact: Gain control of target artifact or creature until end of turn. Untap that permanent. It gains haste until end of turn. Activate only as a sorcery.

Haste
At the beginning of your end step, return Preying Mantis to its owner's hand.

Pride Ridge enters tapped.
{T}: Add {G} or {W}.
{2}{G}{W}: Until end of turn, Pride Ridge becomes a Cat creature with vigilance in addition to its other types.
Scavenge {2}{G}{W}

Vigilance
Whenever another creature you control enters, scry 1.
{T}: Reveal the top card of your library. If it's a creature card, put it into your hand. Otherwise, you may put it into your graveyard.

Trample
Primitive Berserker's power is equal to the number of Goblins you control.

When Primordial Gorran enters, if {B} was spent to cast it, put a +1/+1 counter on it for each creature card in your graveyard.