msem-instigator

Deathtouch
Putrid Lurker can't block.
Whenever you discard Putrid Lurker or another card, you may pay {B}. If you do, return Putrid Lurker from your graveyard to the battlefield.

Vigilance
Whenever Underpass Sentinel enters the battlefield or attacks, you may put a +1/+1 counter on another target creature you control without one.
Sacrifice Underpass Sentinel: Embattled creatures you control gain hexproof and indestructible until end of turn. (A creature is embattled if it has a counter on it or a permanent you control attached to it.)

Look at the top two cards of your library. Put one of them into your hand and the other on the bottom of your library.

As Mysterious Cataract enters the battlefield, you may pay 2 life. If you don't, Mysterious Cataract enters the battlefield tapped.
{T}, Sacrifice Mysterious Cataract: Search your library for a Forest or Island card, put it onto the battlefield, then shuffle.

When Destiny Beyond Measure enters the battlefield, tap each creature you control.
Creatures you control get +8/+8 and have “This creature enters the battlefield tapped.”

When Fearless Recruit dies, create a 1/1 white Rebel creature token.

Whenever a creature you control becomes monstrous, draw a card.

Defender (This creature can't attack.)
When Naturebound Druid enters the battlefield, you may search your library for a basic land card, reveal it, then shuffle and put that card on top.

Menace (This creature can't be blocked except by two or more creatures.)
Cycling {R} ({R}, Discard this card: Draw a card.)

Scry 1, then draw a card.
Acquiesce (If you cast this spell from your hand, exile it as it resolves. When one or more creatures you control deal combat damage to an opponent, you may cast this card from exile without paying its mana cost.)

Flying
When Calamity Dragon enters the battlefield, it deals 2 damage to each creature you don't control. Whenever a creature dealt damage this way dies this turn, Calamity Dragon deals 2 damage to that creature's controller.

When Paralysis Specialist enters the battlefield, up to two target creatures don't untap during their controller's next untap step.

Players play with the top card of their libraries revealed.
At the beginning of your precombat main phase, add {G}{G} for each land card among cards on top of libraries.
Jindao, the Coiled Prophet gets +2/+2 for each creature card among cards on top of libraries.

{T}: Add {C}.
{T}, Reappropriate: Add {G} or {W}. (Exile exactly two cards from your hand and/or graveyard.)

Advance {1}{R} (Cast this for {1}{R} to advance it as it enters. {1}{R}: Advance this as a sorcery.)
Whenever Blitz Breaker advances, its power becomes equal to the amount of noncombat damage that's been dealt to your opponents this turn. (This effect lasts indefinitely.)

Menace (This creature can't be blocked except by two or more creatures.)
Whenever Mausoleum Revenant deals damage to a player, create a 2/2 black Zombie creature token.

Menace
When Setar Ritualist enters the battlefield or whenever you cast a spell, if {U}{R} was spent to cast it, Setar Ritualist deals 3 damage to target permanent, then tap that permanent. Put a +1/+1 counter on Setar Ritualist.

Lifelink
Pay 3 life: Flightful Fledgling gains flying until end of turn.

Pressure {B}{G} (You may cast this spell for its pressure cost if seven or more cards are in your graveyard.)
Search your library and/or graveyard for a creature card with mana value 3 or less and put it onto the battlefield. If you searched your library this way, shuffle.

Whenever a Plains enters the battlefield under your control, you may put a creature card with mana value 2 or less from your hand onto the battlefield.

If you cast this spell from exile, it deals 7 damage to target creature. Otherwise, return Fortunous Flames to your hand, then reveal a card from your hand at random.
Prophecy {R} (Once each turn, you may exile a card with prophecy as you reveal it. When you do, you may cast it for its prophecy cost as long as it's exiled.)

Whenever a creature enters the battlefield, each opponent loses 1 life.

Destroy target artifact, enchantment, or creature with flying.

Ominous Lair enters the battlefield tapped unless you have 15 or less life.
{T}: Add {W} or {B}.

First strike
When Mutilated Warrior enters the battlefield, you may have it deal damage to each player equal to the number of Warriors you control.