msem-instigator

(As an Encounter enters, choose an opponent to protect it while you and other players attack it. When defense counters are removed, create a 0/0 Army token if you don't control one, then put that many +1/+1 counters on a Army you control.)
When Crisis in Avaz enters, search your library for a basic land or Satrapy card, put it onto the battlefield tapped, then shuffle.

{3}{U}: Draw a card.
{2}{R}: Necropolis Battlemage deals 1 damage to target player. Scry 1.

Veteran's Study enters tapped.
When Veteran's Study enters, look at the top card of your library. You may put it into your graveyard.
{T}: Add {R} or {W}.

Defender (This creature can't attack.)
Adorned — Grouchy Warden gets +2/+3 as long as it's equipped and/or enchanted.

When Enlightened Orator enters, choose one —
• Other creatures you control get +1/+1 until end of turn.
• Destroy target enchantment.

Archive 7 (As this enters, shuffle the top seven cards of your main library into a new face up library. Sacrifice this after the archived library is empty.)
As long as you control five or more creatures, you may play permanent cards from the archived library.

Codex — Fox of the Orange Orchard; Sludge-Gill Fox; Thundermane Fox; Firemane Fox; Sun-Eyed Fox; Moon-Rune Fox; Leafcrowned Fox; Icecrowned Fox; Fae-Frill Fox. (As this enters, conjure its contents into a shuffled face-up additional library.)
You may spend mana as though it were mana of any color to cast this codex's contents.
Whenever a Fox you control enters, you gain 1 life.

Whenever Kessig Jeweler attacks, you may discard a card. If you do, draw a card.
{1}{R}: Transform Kessig Jeweler. Activate only if it's attacking.

Flying
When Horned Spy enters, look at target player's hand.

At the beginning of your end step, you may put a progress counter on Snowclearer.
[PROGRESS 1-2] Sacrifice Snowclearer: Add {C}.
[PROGRESS 3+] Sacrifice Snowclearer: Add two mana of any one color.

Flying
Whenever you cast a spell, draw a card, then put a +1/+1 counter on Maven of Perspective.

When Undermarket Favors enters, target player discards a card, then mills four cards.
{1}, Sacrifice Undermarket Favors: Draw a card.

Reach, deathtouch

Other Spirits you control get +1/+1.
Whenever Mistmourner or another Spirit you control enters, you may draw a card. If you do, discard a card.

When Warrior of the Folded Fan dies, invigorate 2. (Choose a creature with the least power among creatures you control and put two +1/+1 counters on it.)

Reach
{3}{G}: Put a +1/+1 counter on Avaz Sentry.
Surpass {5}{G} ({5}{G}: Transform this creature. This costs {1} less to activate for each counter on it. Activate only as a sorcery.)

{T}: For each color among enchantments you control, add one mana of that color.
{2}{G}{G}, Sacrifice Sower of Seeds: Shuffle any number of enchantment cards from your graveyard into your library. Create an X/X black Horror creature token, where X is the number of enchantment cards shuffled into your library this way.

Renown 1 (When this creature deals combat damage to a player, if it isn't renowned, put a +1/+1 counter on it and it becomes renowned.)
{5}{R}: Sullivan's Courier gets +2/+2 until end of turn.

Choose one —
• Target opponent reveals their hand. You may choose a creature, enchantment, or planeswalker card from it. That player discards that card.
• Target opponent sacrifices an enchantment.

Hexproof
Each creature you control with a card inscribed onto it has hexproof.

Target creature gets +1/+1 and gains distorted until end of turn. (It can be blocked by tapped creatures but not untapped creatures.)
Put the bottom card of your library into your hand.

Destroy target enchantment. Put a +1/+1 counter on target creature you control.

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 Oshiruko Conspirator deals combat damage to a player, you may discard a Rogue card. If you do, search your library for an instant or sorcery card, reveal it, put it into your hand, then shuffle.

Exile all lands. For each land card exiled this way, Uttermost Obliteration deals 1 damage to that land's controller.