msem-instigator

Counter target spell unless its controller pays {4}. 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.”)

Golden age (If you cast an instant or sorcery spell, activated a nonmana ability, and attacked this turn, enter a renaissance for this game.)
[+1]: Scry 1. If you're in a renaissance, draw a card.
[–2]: Return target nonland permanent to its owner's hand if its mana value is 3 or less or if you're in a renaissance.
[–6]: Create two 8/8 blue Kraken creature tokens. If you're in a renaissance, take an extra turn after this one.

When Inner-Eye Obscurist enters, return each other creature that isn't in Inner-Eye Obscurist's pack to their owners' hand. (Two or more creatures you control with equal power are in a pack.)

Whenever a creature you control enters for the second time each turn, it gains haste until end of turn. You may have it get +1/+1 until end of turn.

When Jade Counterweight enters, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle.
Equipped creature gets +1/+1.
Equip {1}

When Jade Empire Cartographer enters, choose one —
• Surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)
• Put a +1/+1 counter on target creature you control.

Deathtouch
When Jade Empire Outlaw enters, surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

This spell costs {1} less to cast for each card type among cards in your graveyard.
Scavenge {4}{G}. This ability costs {1} less to activate for each card type among other cards in your graveyard. ({4}{G}, Exile this card from your graveyard: Put a number of +1/+1 counters equal to this card's power on target creature. Scavenge only as a sorcery.)

All lands gain “{T}: Add one mana of any color” and lose all other abilities.

{1}, {T}: Put a +1/+1 counter on Jade Sentinel. Activate only if you control a creature with power greater than Jade Sentinel's.

Equipped creature gets +2/+1.
Equip {2}

Menace
Inspired — Whenever Jeering Kit becomes untapped, target Fox you control gets +1/+1 until end of turn.

You may look at the top card of your library any time.
Once during each of your turns, you may play a land from the top of your library as though you could play an additional land.
{3}{G}{G}: You may cast the top card of your library without paying its mana cost if it's a creature card. Activate only as a sorcery.

When Jinyu Mirror-Blade enters, you may exchange its base power with another target creature's base power until either leave the battlefield.

Other attacking Foxes you control get +1/+0.
{2}{R}, Sacrifice Jiu: Discard your hand, then draw a card for each tapped Fox you control.

When Journeying Packmaster enters, look at the top card of your library. If it's a land card, you may put it onto the battlefield tapped. If you didn't put that card onto the battlefield, draw a card.

Judgment of Hao'Tai deals 4 damage to each non-Dragon creature.

Jungle Hollow enters tapped.
When Jungle Hollow enters, you gain 1 life.
{T}: Add {B} or {G}.

Transcend (Activate as a sorcery to gain the next type and a +1/+1 counter.)
Jutou enters with X +1/+1 counters on her.
{3}{G}: Demigod — You gain life equal to the greatest power among creatures you control.
{6}{G}: God — Search your library for a creature card with the same power as a creature you control, put it onto the battlefield, then shuffle.

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
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.

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.

Flying
Inspired — Whenever Kaleidoscale Drake becomes untapped, scry 1.

{T}: Gain control of target creature or planeswalker with mana value less than or equal to Kan'Gi's power for as long as you control Kan'Gi.
Inspired — Whenever Kan'Gi becomes untapped, put a +1/+1 counter on her.

(Choose only one work as a sorcery to add its ability.)
When Kanghyae Forum enters, you may return another permanent you control to its owner's hand. If you don't, draw a card.
{2}{G}: A Common Good
If an effect would create one or more tokens under your control, it creates that many of those tokens plus one instead.
{2}{W}: Rebuilding Trust
If an effect would put one or more counters on a permanent you control, it puts that many of those counters plus one on that permanent instead.