msem-instigator

Flying, lifelink
Whenever Shioki, Imperial Heir attacks, exile any number of other target nonland permanents you control, then return those cards to the battlefield under their owner's control.

Skulking Claw can't be blocked by creatures with greater power.
Skulking Claw gets +1/+0 for each unblocked attacking creature you control.

For each counter on each permanent you control, you may put another counter of that kind on that permanent.
Draw a card.

This spell can't be countered.
For each spell you've cast this turn, search your library for a Dragon permanent card and put it onto the battlefield. Then shuffle.

Haste
Ward—Sacrifice a creature.
Spinning Gears Abomination enters with X +1/+1 counters on it.
Spinning Gears Abomination can't attack alone.

You may have Urushi, the Ripple in the Smoke enter as a copy of any creature on the battlefield, except it's an enchantment. (It's not a creature.)

Hexproof, crew 6 (Tap any number of creatures you control with total power 6 or greater: This Vehicle becomes an artifact creature until end of turn.)
Whenever The Ark Project deals combat damage to an opponent or planeswalker, gain control of target creature until The Ark Project leaves the battlefield.
Whenever The Ark Project blocks a creature, gain control of that creature.

Foretell {1}{B}{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.)
Choose one. If this spell was foretold, you may choose both instead —
• Each opponent reveals their hand. You choose a noncreature, nonland card revealed this way. Exile that card.
• Each opponent sacrifices a creature or planeswalker.

Reach
Spirited (When this creature enters, you may activate one of its activated abilities without paying its cost.)
{3}{G}, {T}: Kareki Stormshooter fights another target creature. If that creature has flying, Kareki Stormshooter deals damage equal to its power to that creature instead.

Creatures you control get +1/+0 and attack each turn if able.
As long as you control four or more Mountains, attacking creatures you control get an additional +1/+0 and have first strike.

Flying, haste
Whenever another creature dies, Twinfire Dragon gets +1/+0 until end of turn.

Echoing Thunder deals 3 damage to target creature and all other creatures with the same name as that creature.

Lifelink
When Grizzled Warpriest enters, starting with you, each player may gain 3 life. For each opponent that does, create a Treasure token.

Enchant creature
Enchanted creature has deathtouch and menace.
{G}{U}: Enchanted creature gains hexproof and indestructible until end of turn. Tap it.
{R}: Enchanted creature gets +1/+0 until end of turn.

If a creature entering causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.
[+1]: Target player draws two cards, then discards a card. Put a +1/+1 counter on up to one target creature you control.
[–3]: Create a token that's a copy of target creature you control.
[–8]: Return any number of target nonland permanents to their owner's hand.

Whenever Strict Instructor attacks, harmonize. (Trigger up to one harmony of a permanent you control.)
Harmony — Tap or untap another target permanent.

Menace
Savage Stalker attacks each combat if able.

You may put cards with mana value 2 or less that permanents you control explore into your hand as though they were lands. (You won't get the counter if you do.)
Whenever Torch of Those Underfoot attacks, it explores. (Reveal the top card of your library. Put it into your hand if it's a land. Otherwise, put a +1/+1 counter on this creature, then you may put that card in your graveyard.)

Double strike
Experience (Whenever this creature attacks, if it has fewer than three +1/+1 counters on it, put a +1/+1 counter on it.)

Trample
Phoberos Ragehorn has haste as long as you control another Minotaur.
Whenever Phoberos Ragehorn attacks, each player discards a card.

Once each turn, when another creature dies, you may crystallize. (Put a +1/+1 counter on a creature you control or create a Treasure.)
Whenever an artifact you control dies, Nihilistic Shock Trooper deals 1 damage to each opponent.

Flying
Whenever Herald of Shadow attacks, another target creature can't be blocked this turn.
Whenever a creature you control deals combat damage to an opponent, exile the top card of that player's library. You may play that card for as long as it remains exiled, and you may spend mana as though it were mana of any color to cast it.

Recruit. (Create a 0/0 white Soldier Army creature token, then put a +1/+1 counter on each Army you control.)

Equipped creature gets +0/+2.
Whenever equipped creature blocks, you may pay {B}. If you do, target player loses 1 life.
Equip {2}

Defender
Whenever Slumbering Bear is dealt damage, put a +1/+1 counter on it.
Remove a +1/+1 counter from Slumbering Bear: It can attack as though it didn't have defender this turn.