msem-instigator

Untapped creatures you control get +1/+1.
Soldiers you control have vigilance.

When Dunecrest Pariah enters, you may search your library for a basic land or Desert card, reveal it, put it into your hand, then shuffle.
{T}, Sacrifice Dunecrest Pariah: You may put a land card from your hand onto the battlefield tapped.

Lifelink
Erratic (When this creature dies, reveal the top four cards of your library. Put a creature card that costs less than this revealed this way onto the battlefield and the rest on the bottom in a random order.)
Mirage {2}{W}{W} (You may cast this spell as though it had flash for its mirage cost. If you do, sacrifice it at the beginning of the next cleanup step.)

Dunesea Expanse enters tapped unless you control another Desert.
{T}: Add {W} or {U}.

Ward—Pay 3 life and discard a card.
Once each turn, when another creature leaves the battlefield, you may have target creature become a copy of that creature until end of turn.

When Eighth-Life Companion enters, put two +1/+1 counters on target creature you control.
Recite {1}{W} (You may cast this from your graveyard for its recite cost. If you do, exile it when it enters or if it would leave.)
Revive {2}{W}{W} ({2}{W}{W}, Exile this card from your graveyard: Create a token that's a copy of it except it has no mana cost. Revive only as a sorcery.)

When El, Humble Apprentice enters, search your library for a basic land card, reveal it, put it into your hand, then shuffle.
Chosen one ({W}{U}{B}{R}{G}: Transform this permanent.)

Scry 2. (Then exile this card. You may cast the creature later from exile.)

Reprise {4}{U} (As you cast an instant or sorcery spell, you may exile one card with reprise from your graveyard and pay its reprise cost. If you do, add its effects to that spell.)
Target player mills a card. Create X tapped 2/2 black Zombie Pirate creature tokens, where X is the total number of cards milled by this spell.

Copy target instant or sorcery spell. You may choose new targets for the copy.

Archive 5 (As this enters, shuffle the top five cards of your main library into a new face up library. Sacrifice this after the archived library is empty.)
Encylopetia's power and toughness are each equal to the number of cards in the archived library.
At the beginning of your upkeep, exile a card from the archived library at random. You may play it this turn.

At the beginning of your upkeep, return up to one target creature card from your graveyard to the battlefield. If that creature is a Cleric, you gain life equal to that creature's mana value. Otherwise, each player loses that much life.

Enchant creature
Enchanted creature gets -3/-3.
Revive {6}{B} ({6}{B}, Exile this card from your graveyard: Create a token that's a copy of it except it has no mana cost. Revive only as a sorcery.)

When Enigma Mystic enters, mill three cards.
Enigma Mystic gets +2/+0 as long as there's a Shaman card in your graveyard.
{T}: Add one mana of any color. Activate only if you control another Shaman.

Up to one target attacking creature gets +3/+3 and gains trample until end of turn.
Harmonize. (Trigger up to one harmony of a permanent you control.)

{T}: Add {C}.
{4}, {T}, Sacrifice Eon Campfire: Destroy target artifact or nonbasic land.

Epic Boss Fight deals 5 damage to target creature or planeswalker.
Menagerie — If there are five or more creature types among creatures you control, Epic Boss Fight deals 3 damage to that permanent's controller.

You draw X cards and you lose X life, where X is the number of different names among land cards in your graveyard.

Vigilance, spirited (When this enters, you may activate one of its activated abilities without paying its costs.)
{T}: Choose artifact or enchantment. Target nonland permanent becomes the chosen type in addition to its other types until end of turn.
Civilized — At the beginning of your end step, if you control an artifact, a creature, and an enchantment, put a +1/+1 counter on target creature you control.

{T}: Add {C}.
{T}: Add one mana of any color a Desert you control could produce.
{1}, {T}, Sacrifice Eroded Sanctuary: Draw a card. Activate only if you control four or more Deserts.

Flying
Whenever Eta, Experimental Doctor attacks, you may exile target card from a graveyard. If a creature card was exiled this way, put a +1/+1 counter on Eta and you gain 2 life.

Create two 1/1 green Frog creature tokens. (Then exile this card. You may cast the creature later from exile.)

When Ethersketch Blueprints enters, create a 1/1 blue Thopter artifact creature token with flying.
{2}, Sacrifice Ethersketch Blueprints: Draw a card.
Monument {5}{B}{B} (You may cast this transformed from your graveyard for its monument cost. Exile it if it would leave the battlefield or not resolve.)
Ascend {4}{W} ({4}{W}: Exile this permanent, then return it to the battlefield transformed. Ascend only as a sorcery.)

Flying, vigilance
Whenever Etherwrought Figurehead attacks, you may pay 4 life. If you do, destroy target tapped creature.
If Etherwrought Figurehead would leave the battlefield, exile it instead.

Reveal the top two cards of your library. Put up to one land card and up to one nonland card from among them into your hand. Put the rest on the bottom in any order.