msem-instigator

When Sights Beyond enters, scry 3.
Concord — At the beginning of your upkeep, if there are four or more card types among permanents you control, draw a card.

Damage dealt by Deepwater Stinger can't be prevented.

Reach
Canopy Scout gets +1/+0 for each land card in your graveyard.

Nonbasic lands target player controls don't untap during that player's next untap step.
Fabled {3}{R} (Then if you cast this for its fabled cost, put it onto the battlefield transformed attached to that player.)

When Trepid Deserters enters, target creature you control gets +2/+0 until end of turn.

Whenever a nontoken creature you control dies, create a 1/1 colorless Spirit creature token with flying.

As an additional cost to cast this spell, you may discard two cards. If you do, this spell costs {3} less to cast and it can't be countered.
Exile the top three cards of your library. You may play those cards until the end of your next turn.

Improve {W} ({W}: Put a +1/+1 counter on this creature. This costs {1} more to activate for each +1/+1 counter on it. Improve only as a sorcery.)
Whenever one or more embattled creatures you control attack, create a 1/1 white Cleric creature token with lifelink. (A creature is embattled if it has a counter on it or has a permanent you control attached to it.)

Frozen Hinterlands enters tapped.
{T}: Add {W} or {B}.
{1}{W}{B}: Until end of turn, Shrouded Rooftops becomes a 3/3 white and black Illusion creature with with lifelink and “Whenever this creature attacks or blocks, torment yourself.” It's still a land. (To torment yourself, lose 3 life unless you discard a card or sacrifice a nonland permanent.)

Target creature gets +2/+1 until end of turn. If it's a Pirate or Rogue, it gains first strike until end of turn.

Equipped creature gets +4/+4.
Whenever equipped creature deals combat damage, sacrifice it.
Equip—Sacrifice a creature.

Target creature can't be blocked this turn. Scry 1.
Fabled {2}{U} (Then if you cast this for its fabled cost, put it onto the battlefield transformed attached to that creature.)

Archive 4 (As this enters, shuffle the top four cards of your main library into a new face up library. Sacrifice this after the archived library is empty.)
Whenever you draw a card from the archived library, destroy all nonland permanents you don't control with the same mana value as the drawn card.

Whenever you cast a noncreature spell, put a number of charge counters on Selection at Danaj equal to that spell's mana value.
At the beginning of your end step, you may remove four charge counters from Selection at Danaj. If you do, look at the top four cards of your library, put one into your hand and the rest on the bottom of your library in a random order.

First strike
Creatures with power greater than Gao'Wu, Master Soothsayer's power can't attack.

When Fiend of Convenience enters, destroy target creature an opponent controls.
Whenever Fiend of Convenience attacks, each opponent loses 3 life.

Rapport — Whenever Trae, Serpent's Grasp and at least one other creature you control become tapped, each player draws a card. Then Trae, Serpent's Grasp deals 2 damage to each opponent with four or more cards in hand.

Whenever Hopeless Romantic or another creature you control dies, each opponent loses 1 life.
Attain {3}{B} ({3}{B}: Transform this. Spend at least three colors of mana to activate this, and only as a sorcery.)

Lifelink
Whenever Backstage Prompter deals combat damage to a player, put a +1/+1 counter on it.

Converge — Precursor Sentinel enters with a +1/+1 counter on it for each color of mana spent to cast it.
Remove a +1/+1 counter from Precursor Sentinel: It deals 1 damage to any target.

Defender, flying
Ruins Guardian can attack as though it didn't have defender as long as a creature died under your control this turn.
Whenever Ruins Guardian attacks, you may exile two creature cards from your graveyard. If you do, draw a card.

Defender
Your maximum hand size is thirteen.
{T}: If you have fewer than thirteen cards in hand, draw cards equal to the difference. Activate only as a sorcery.

({T}: Add {W} or {B}.)
Dreary Township enters tapped.
Cycling {2} ({2}, Discard this card: Draw a card.)

Whenever one or more creatures you control deal combat damage to a player, exile a nonland card from that player's graveyard. Copy it. You may cast the copy. (You still pay its costs, including color. Copies of permanents enter as tokens.)

Flash
You may cast spells as though they had flash.