msem-instigator

(Transform this if it's not attached to a creature. Pay {3}{R}{R} as a sorcery to unattach it.)
Enchant creature you control
Mount of the Order's rider gets +5/+4.
{2}{R}: Target creature can't block Mount of the Order's rider this turn.

Deception {U}{B} ({U}{B}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)
Whenever Ms. Moxie deals combat damage to a player, you may exile target nonland card with mana value 2 or less from your graveyard. If you do, cast a copy of that card without paying its mana cost.

Whenever a nontoken creature you control enters, if it shares no creature types with other creatures you control, draw a card.

{T}: Add {C}.
Whenever Mustering Grounds becomes tapped, if it's enchanted, you may pay {2}. If you do, create a 1/1 white Soldier creature token with vigilance.

Reveal cards from the top of your library until you reveal a creature card and a land card. Put those cards into your hand and the rest on the bottom of your library in a random order.
Concord — If there are four or more card types among permanents you control, create two Treasure tokens.

(As you complete a condition, decode it. After all are decoded, you solve the mystery and transform it.)
When Mystery of the Dying Herds enters, create a 0/2 white Ox creature token.
A creature you control dies.
You have 4 or more life than your starting life total.

Reverberate {2}{G} (When you cast this spell, copy it if you paid its reverberate cost. The copy becomes a permanent when it resolves.)
Mystical Echo gets +1/+1 for each other Reflection you control.
Whenever you discard a card, Reflections you control gain trample until end of turn.

I, II — Look at the top four cards of your library. You may reveal a permanent card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.
Discovery — At the beginning of your end step, you may put a permanent card from your hand onto the battlefield.

When Naga Cultivator enters, you may put a land card from your hand onto the battlefield.

Nameless Throng can't block.
{1}{B}, Exile an artifact or enchantment card from your graveyard: Return Nameless Throng from your graveyard to the battlefield.

Flying
Civilized — Whenever Namuzzar's Disciple attacks, if you control an artifact, a creature, and an enchantment, put a +1/+1 counter on Namuzzar's Disciple.

Flying
When Namuzzar's Iterator enters, you may return an artifact or enchantment you control to its owner's hand.

Naxila, the Blessed City enters tapped.
When Naxila, the Blessed City enters, you gain 2 life and draw two cards.
{T}: Add {C}{C}.

When this creature enters, draw a card.

Flash
{4}, {T}, Sacrifice this artifact: It deals 3 damage to target creature or planeswalker.

Nestled Delta enters tapped unless you control another Desert.
{T}: Add {G} or {U}.

Deception {B} ({B}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)
Lifelink
{1}{B}: Nimunotian Shadow gets +1/+1 until end of turn.

Put a +1/+1 counter on target creature and a +1/+1 counter on up to one target Citizen or Peasant.

When Noble Pridelord enters, creatures you control get +1/+1 until end of turn.

Trample
Ride {3}{G} ({3}{G}: Transform this and attach it to target creature you control without a Steed. Ride only as a sorcery.)

When Norwick Barkeep enters, target creature you control gets +1/+1 and gains vigilance until end of turn.

When Norwick Militia enters, other Citizens and Peasants you control get +1/+1 and gain vigilance until end of turn.

{T}: Add {C}.
{3}{W}, {T}: Create a 1/1 white Peasant creature token.
Whenever you attack with five or more creatures, you may pay {1}{W}{W} and exile this land. When you do, attacking creatures get +1/+1 until end of turn.