msem-instigator

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

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.

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

Lionize {3}{R} ({3}{R}, Exile this card from your hand: Put a +1/+1 counter on target creature and it gains the following abilities until end of turn. You may cast this card on a later turn from exile.)
Menace
Whenever this creature deals damage to a player or noncreature permanent, create that many Treasure tokens.

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

Reach
When Ambush Predator enters, 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.

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, you gain 3 life.

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

Amid Flames deals 5 damage to target creature or planeswalker.
You may sacrifice a land. If you do, draw a card.

When Aminatou's Adherent enters, 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.

Create three 1/1 black Insect creature tokens with flying, then judge each of them. (Honor it by putting a +1/+1 counter on it or condemn it by sacrificing it to draw a card.)

Ammbradu Parasite gets +1/+1 as long as you control a Forest.
{4}{G}: Target creature must be blocked this turn if able.

Bleed {R} (You may cast this spell for its bleed cost if an opponent has lost life this turn.)
Amongst the Flames deals 2 damage to each creature.

Choose one —
• Target opponent discards a card.
• Amosis Charm deals 1 damage to any target and you gain 1 life.

Whenever one or more creatures you control deal combat damage to a player, put a charge counter on Amulet Coin.
{T}: Add {C} for each charge counter on Amulet Coin.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I — Create four 1/1 colorless Construct Actor creature tokens.
II — Each player sacrifices a nontoken creature.
III — Each player loses 3 life.

Each other Okus planeswalker you control enters with two additional loyalty counters on it.
[–2]: Each opponent discards a card and loses 2 life.

Each other Okus planeswalker you control enters with two additional loyalty counters on it.
[–2]: Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I, II — Audition for red. (Create a 1/1 Construct Actor creature token, a Warrior Role giving 3/2 and trample, or a Wizard Role giving 2/2 and prowess. Roles replace older ones.)
III — Whenever a creature you control deals damage to an opponent this turn, exile the top card of your library. You may play it this turn.
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Create two 1/1 blue Elemental creature tokens with flying.
Reconstruct {7}{U} (You may cast this from your graveyard for its reconstruct cost reduced by the mana value of a permanent you sacrifice as you cast it this way. Then exile this.)