msem-instigator

Create a token that's a copy of target creature or land you control, except it has haste and “At the beginning of the end step, exile this permanent.” If a land you control was targeted this way, create two of those tokens instead.

Puzzlebox (Begin the game with this and another card you own from outside the game in the command zone, locked. That card is face down until you unlock this.)
{6}: Unlock Ancient Maze. If the revealed card is green, put it into your hand. Otherwise, put it on top of your library.

When Glymna Blackrune enters, exile target player's graveyard.
During each of your turns, you may cast a creature card exiled with Glymna Blackrune.

Flying, lifelink
Liesa has haste as long as it was foreshadowed.
When Liesa dies, each opponent sacrifices a creature and loses 2 life.
Foreshadow {4}{W}{B} (You may cast this spell for its foreshadow cost. If you do, also trigger its “dies” abilities when it enters.)

Choose target creature you control. You may transform it if it's a Werewolf. Then it deals damage equal to its power to target creature you don't control. (The creature you control bites even if you don't transform it.)

Spawning Barrens enters tapped unless you have 15 or less life.
{T}: Add {B} or {R}.

Lifelink
Outskirts Provider enters with a +1/+1 counter on it if a creature attacked this turn and wasn't blocked.

Destroy target nonland permanent with mana value less than or equal to the number of cards in your graveyard.

Whenever West Ward Purifier becomes tapped, you gain 1 life.

Reverberate {2}{U}{R} (When you cast this spell, copy it if you paid its reverberate cost. You may choose new targets for the copy.)
Exile target instant or sorcery card from your graveyard. You may cast a copy of that card without paying its mana cost.

Enchant artifact or creature
When Embed enters, tap enchanted permanent.
Enchanted permanent doesn't untap during its controller's untap step.

When Petal Scatterer enters, create a green Aura enchantment token named Blossom attached to target land. It has enchant land and “Enchanted land has ‘{T}: Add {G}{G}.'”
Petal Scatterer gets +1/+1 for each noncreature, nonland permanent you control.

{T}, Sacrifice Vibrant Rainforest: Search your library for a Mountain or Forest card and put it onto the battlefield tapped, then shuffle.

Paranoia {2}{U} (You may cast this spell for its paranoia cost when a permanent you control leaves the battlefield.)
Put target artifact or creature on top of its owner's library.

Choose one —
• Create three 1/1 white Peasant creature tokens.
• Creatures you control get +1/+2 until end of turn. Untap them.

When Recollection Revelation enters, rouse 1. (Put a +1/+1 counter on a permanent you control. If it isn't a creature, tap it and it becomes a 0/0 creature in addition to its other types.)
{1}{W}, Sacrifice Recollection Revelation: Return another target artifact or enchantment card from your graveyard to your hand.

If you control an artifact, create three 1/1 colorless Construct artifact creature tokens. Otherwise, create one of those tokens.

Slipstream (This creature can't be blocked as long as only creatures with slipstream are attacking.)
Cycling {U} ({U}, Discard this card: Draw a card.)

Witchseeker Mob's power and toughness are each equal to twice the number of Citizens and/or Peasants you control.
When Witchseeker Mob enters, exile target nonland permanent an opponent controls with mana value less than or equal to Witchseeker Mob's power until Witchseeker Mob leaves the battlefield.

Put target creature card from a graveyard onto the battlefield under your control. If it doesn't have vanishing, put three time counters on it and it gains vanishing. (At the beginning of your upkeep, remove a time counter from that permanent. When the last is removed, sacrifice it.)

Target creature gets +3/+0 and gains first strike until end of turn.

Deeplife Cavern enters tapped unless you control a Forest.
{T}: Add {U} or {B}.

Lifelink
{T}, Pay 4 life or sacrifice another permanent: Draw a card.

Enchant creature
Enchanted creature gets -3/-3 and has “At the beginning of your upkeep, you lose 3 life.”

Enchant creature
When Cage the Dissenter enters, scry 2.
Enchanted creature doesn't untap during its controller's untap step.