msem-instigator

Whenever this creature enters or attacks, each player discards a card. If one or more land cards were discarded this way, this creature gains deathtouch until end of turn.
At the beginning of each opponent's end step, if that player didn't cast a spell this turn, that player loses 2 life and you gain 2 life.

Whenever this creature enters or attacks, put two -1/-1 counters on up to one target creature with power less than this creature's power.
Whenever another creature dies, you gain 2 life. If you controlled that creature, draw a card.

Whenever this creature enters or attacks, you may put a creature card with mana value 2 or less from your hand onto the battlefield. If you do, draw a card. Sacrifice that creature at the beginning of the next end step.
If a creature would enter under your control during combat on your turn, that creature enters tapped and attacking.

Return target creature card from your graveyard to the battlefield if its mana value is 3 or less or if this spell was foretold.
Foretell {3}{W} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Whenever an opponent casts a spell, if no mana was spent to cast it or it has mana value greater than the number of lands that player controls, counter that spell.
{G/W}, Sacrifice this creature: Citizens and Peasants you control get +1/+1 and gain indestructible until end of turn.

When this creature enters, create a 2/2 black Zombie creature token. That token seeks secrets and gains haste until end of turn. (Give it that Oath Aura. Fulfill it by attacking with it and two or more other creatures to draw a card.)

Other Wolves and Werewolves you control get +1/+1.
Whenever Hungering Howlpack or another Wolf or Werewolf you control enters, you gain 2 life.

When Hunter's Arsenal enters, create a Weapon token. (It's an Equipment artifact with “Equipped creature gets +1/+1” and equip {2}.)
{1}, {T}, Sacrifice Hunter's Arsenal: Search your library for a basic land card, reveal it, put it into your hand, then shuffle. You gain 2 life.

Flash
When this creature enters, look at the top six cards of your library. You may reveal an instant card or card with flash from among them and put it into your hand. Put the rest on the bottom in a random order.

Imisti enters with a concoction counter on it for each land card in your graveyard.
{1}{G}, Remove any number of concoction counters from Imisti: You gain that much life.
{3}{B}, Remove any number of concoction counters from Imisti: It deals that much damage to target creature or planeswalker.

Haste
Arise {2}{R} ({2}{R}, Exile this from your graveyard as a sorcery: Create a black token copy of it that's also a Zombie and can't block.)

Menace
At the beginning of your end step, if you gained or lost life this turn, put a -1/-1 counter on up to one target creature.

Menace
Ward—Pay 3 life.
When Infernal Direwolf enters, it fights up to one target creature an opponent controls. Excess damage Infernal Direwolf deals this way is dealt to that creature's controller instead.

Exile the top two cards of your library. Until the end of your next turn, you may play those cards. If this spell was cast from a graveyard, you may play cards this way without paying their mana costs.
Flashback {5}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Look at the top X cards of your library, where X is two plus the number of creatures you control. Exile up to two of them, then put the rest on the bottom in a random order. You may play the exiled cards until the end of your next turn.

Other Vampires you control get +1/+1.
Whenever Irascible Bloodwitch or another Vampire enters under your control, Irascible Bloodwitch deals 1 damage to any target.

Menace (This creature can't be blocked except by two or more creatures.)
Swampcycling {2} ({2}, Discard this card: Search your library for a Swamp card, reveal it, put it into your hand, then shuffle.)

Trample
Whenever this creature attacks, if you control three or more other creatures, it gets +2/+1 until end of turn.

Siphon (Each -1/-1 counter you put on your creatures up to their remaining toughness while casting this pays for {1}.)
Draw three cards.

Exile up to one target creature or planeswalker with mana value 3 or less. Then if this spell was foretold, target opponent chooses a creature or planeswalker they control. You gain control of that permanent.
Foretell {3}{U}{U}{B} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

When this creature enters, put two -1/-1 counters on a creature you control.
When this creature dies, put a -1/-1 counter on up to one target creature for each -1/-1 counter on this creature.

Enchant creature
Enchanted creature gets +2/+2.
{4}{G}: Return Kernon's Consecration from your graveyard to the battlefield attached to target creature you control. Activate only as a sorcery.

[+1]: Mill two cards. Untap up to one target creature or land.
[–2]: Return target creature or land card from your graveyard to your hand.
[–X]: You may sacrifice a creature. If you do, search your library for a creature card with mana value X or less, put it onto the battlefield, then shuffle.

Whenever Kessig Jeweler attacks, you may discard a card. If you do, draw a card.
{1}{R}: Transform Kessig Jeweler. Activate only if it's attacking.

At the beginning of your first main phase, you may discard a card. If you do, draw a card and create a Treasure token. (It's an artifact with “{T}, Sacrifice this artifact: Add one mana of any color.”)
At the beginning of your end step, if Kessig Tombrobber didn't attack this turn, transform it.