msem-instigator

Reach
Concord — Am'atambi's Fangs gets +1/+0 and has deathtouch as long as there are four or more card types among permanents you control.

At the beginning of each other player's upkeep, draw a card, then discard a card unless you have Am'atambi, Fable Weaver deal 3 damage to you.
You may reveal creature cards as you draw them. Once each turn, when you reveal a creature card this way, you may pay {3}. If you do, create a token that's a copy of it, except it's 3/3.

Trample
Each creature you control with a counter on it has trample.

Trample
Whenever a Warrior you control dies, it deals 1 damage to any target.

Sacrifice Amateur Auteur: Destroy target enchantment.

Overclock (You may have this creature overclock an artifact you control when either enters the battlefield. If you do, it stops overclocking any other artifacts.)
Overclocked artifact has “{R}, {T}: This artifact deals 1 damage to any target.”

Target player mills five cards.
Draw a card.

Enchant creature
Enchanted creature gets +2/+2.
Whenever enchanted creature attacks, if it's a Scout, scry 2.

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

At the beginning of your upkeep, choose two different basic land types. Create a colorless land token that's the chosen types.
At the beginning of your end step, sacrifice a land.

At the beginning of your end step, draw a card.
Whenever a creature deals combat damage to you, that creature's controller gains control of Ambition's Crown.

Bleed {1}{U} (You may cast this spell for its bleed cost if an opponent has lost life this turn.)
Draw two cards.

Sabotage — Whenever an opponent or permanent an opponent controls becomes the target of a spell you control, return target creature card with mana value 3 or less from your graveyard to the battlefield.

Ambitious Ostrich has flying as long as you control a storied permanent. (Enchantments and legendary permanents are storied.)

Flash
When Ambush Gharial enters the battlefield, it fights up to one target creature. If that creature would die this turn, exile it instead.

Reach
When Ambush Predator enters the battlefield, you may return target Horror creature card from your graveyard to your hand.
When Ambush Predator dies, exile it and create a 3/2 green Horror creature token.

Flash (You may cast this spell any time you could cast an instant.)
Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

Trample
As long as it's an opponent's turn, Ambushing Alligator is a blue Bird with base power and toughness 1/1 and has flying and hexproof.

[+2]: Add {R}{R}. Until end of turn, red mana doesn't empty as steps and phases end, and creatures you control gain “{R}: This creature gets +1/+0 until end of turn.”
[–3]: You may cast a monocolored red spell with mana value 6 or less from your hand without paying its mana cost.
[–6]: You may pay any amount of {R}. When you do, Amelie Mayn deals that much damage to each of up to that many different targets.

Lifelink
At the beginning of each end step, if you gained life this turn, you may pay {W/B}. If you do, create a 1/1 white Spirit creature token with flying.

Flying
When Ameret's Favored enters the battlefield, you gain 3 life.

At the beginning of combat on your turn, if there are seven or more loyalty counters on Ameret, they become a 5/5 Angel creature with flying and indestructible until end of turn.
[+1]: Create a 1/1 red and white Cleric creature token with lifelink and haste.
[–X]: Ameret deals X damage to any target. You gain X life.

As long as it's your turn, Ameret is a 4/4 Angel creature with flying, haste, indestructible, and “Whenever Ameret attacks, attach any number of Equipment you control to them.”
[+2]: Create two 1/1 red and white Cleric creature tokens with lifelink.
[–3]: Ameret deals 4 damage to target creature or planeswalker. You gain 4 life.
[–4]: For each creature you control, create a Weapon token and attach it to that creature. (It's an Equipment artifact with equip {2} and “Equipped creature gets +1/+1.”)

Flying
Soldiers and Knights you control get +1/+1.

When Aminatou's Adherent enters the battlefield, judge target creature you control. (Honor it by putting a +1/+1 counter on it or condemn it by sacrificing it to draw a card.)
Whenever you condemn a creature, creatures you control gain menace until end of turn.