msem-instigator

When Jumbo Shrimp enters or when you cycle it, destroy target noncreature permanent.
Cycling {3}{G}{G} ({3}{G}{G}, Discard this card: Draw a card.)

Return target creature card from a graveyard to the battlefield. Then if that card wasn't put into a graveyard from the battlefield this turn, exile it.

At the beginning of each player's upkeep, that player may sacrifice a creature. If they don't, they discard a card.

Choose two —
• Jund Command deals 3 damage to each non-Dragon creature.
• Jund Command deals 4 damage to each opponent.
• Each opponent sacrifices a planeswalker.
• Mill five cards. Return a permanent card milled this way to your hand.

When Junktrawler enters, create a tapped colorless Powercell artifact token with “{T}: Add {C}.”
Tap another untapped artifact you control: Junktrawler gets +1/+1 until end of turn.

Target player sacrifices a legendary creature or planeswalker.

Flash
Flying
When Justiciar Overseer enters, the next 2 damage that a source of your choice would deal to you and/or permanents you control this turn is dealt to any target instead.

(Choose only one work as a sorcery to add its ability.)
When Juyu Offering Pool enters, reveal the top five cards of your library. You may put a noncreature card from among them into your hand. Put the rest on the bottom of your library in any order.
{1}{U}: Scales of Shara
Whenever you cast a noncreature spell, put a +1/+1 counter on target creature you control.
{6}{U}{U}: Eye of Shojiro
Whenever you cast a noncreature spell, create an 8/8 blue Kraken creature token.

First strike
Spells can't be cast except during their controller's turns.
Whenever a creature attacks you, Ka Soma deals 1 damage to that creature's controller unless that player pays {1}.

Flying
When Kaalia's Abomination enters or dies, it deals 2 damage to target opponent. Then that player discards two cards.

Choose two —
• Target player creates three 1/1 white Soldier creature tokens.
• Destroy target creature if its mana value is equal to or less than the number of creatures you control.
• Target opponent loses 1 life for each creature you control and you gain that much life.
• Put a +1/+1 counter on each creature target player controls.

Flying
When Kai'Dwo, Eternal Ravager enters, create seven Idol tokens. (They're artifacts with “{1}, Sacrifice this artifact: Put a +1/+1 counter on target creature. Activate only as a sorcery.”)
Whenever you sacrifice an Idol, each opponent sacrifices a creature.

Flying, trample
At the beginning of your upkeep, sacrifice a creature.
Revive {2}{B}{B} ({2}{B}{B}, Exile this card from your graveyard: Create a token that's a copy of it except it has no mana cost. Revive only as a sorcery.)

Flying, trample
At the beginning of combat on your turn, an opponent may sacrifice a creature. If they do, you may sacrifice a creature. If you do, repeat this process. If you don't, tap Kai'Jun.

Flying
Whenever a creature you control dies, each opponent loses life equal to its power.

Flying
You may cast black spells with mana value 3 or less by paying life equal to their mana values rather than paying their mana costs.
{B}, Sacrifice another creature: You gain 3 life.

Flying
Ward—Discard a card.
Whenever Kai'Oro enters or attacks, you may exile target nonland card with mana value 3 or less from your graveyard. Until end of turn, you may cast a copy of that card without paying its mana cost.

Flying
Kai'Wej, the Desolate has indestructible as long as you control no other creatures.
{1}{B}{B}, Sacrifice two creatures: Return Kai'Wej from your graveyard to the battlefield tapped.

Menace
When Kai'Zhou enters, you may have all legendary nonland permanents phase out until your next turn.
Whenever Kai'Zhou deals combat damage to a player, they sacrifice a legendary permanent.

Whenever a creature attacks you or a planeswalker you control, put that creature on the bottom of its owner's library unless its controller pays {2}.

When Kalak Culler enters, each opponent loses life equal to the number of creatures you've sacrificed this turn.
Revive—{3}{B}, Sacrifice a creature. ({3}{B}, Sacrifice a creature, Exile this card from your graveyard: Create a token that's a copy of it except it has no mana cost. Revive only as a sorcery.)

{T}: Add {C}.
{T}: Add one mana of any color. Spend this mana only to cast a spell that's three or more colors.

[+1]: Discard a card. If you do, each opponent discards a card and loses 1 life.
[–3]: Destroy target creature or planeswalker.
[–7]: Draw a card for each creature card and planeswalker card in all graveyards. Target opponent loses that much life.

Kalib Kabir has hexproof as long as it has no +1/+1 counters on it.
Kalib Kabir has trample as long as it has a +1/+1 counter on it.
{G}: If Kalib Kabir has a +1/+1 counter on it, remove all +1/+1 counters from it. Otherwise, put a +1/+1 counter on it. Activate only once each turn and only during your turn.

Enchant creature
When Kalku Initiation enters, you lose 3 life and discard a card.
Enchanted creature gets +3/+2, has ward {2}, and has “Whenever this creature deals damage to a player, draw two cards.”