msem-instigator

Lush Outskirts enters tapped.
{T}: Add {G} or {U}.
{3}{G}{U}: Until end of turn, Lush Outskirts becomes a 5/7 green and blue Plant creature with with ward {3} 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.)

Enchant creature
Enchanted creature has distorted. (It can be blocked by tapped creatures but not untapped creatures.)
{1}{B}: Enchanted creature can't block this turn.

Distorted (This creature can be blocked by tapped creatures but not untapped creatures.)
{1}{U}, Discard Lusterwing Owl: Return target enchantment to its owner's hand.

Menace (This creature can't be blocked except by two or more creatures.)
Whenever Maddened Elk attacks, it gets +1/+1 until end of turn for each other attacking creature you control.

Flying
At the beginning of your upkeep, if it isn't an extra turn, put a sage counter on Magistrate of Eras.
Remove five sage counters from Magistrate of Eras: Take an extra turn after this one.

As Magmatic Torrent enters, you may pay 2 life. If you don't, Magmatic Torrent enters tapped.
{T}, Sacrifice Magmatic Torrent: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle.

Tap up to two target creatures an opponent controls. Those creatures don't untap during their controller's next untap step.
Create an Idol token. (It's an artifact with “{1}, Sacrifice this artifact: Put a +1/+1 counter on target creature. Activate only as a sorcery.”)

At the beginning of your upkeep, if five or more instant and/or sorcery cards are in your graveyard, return target instant or sorcery card at random from your graveyard to your hand.

If a red instant or sorcery spell you control or a red planeswalker you control would deal damage to a permanent or player, it deals that much damage plus 2 instead.

Whenever an opponent discards a card, you may draw a card.

Lands you control have “{T}: Add one mana of any color.”
{T}: Add one mana of any color.

{X}, {T}: Target player mills X cards.

Whenever you gain life, you may pay {X}, where X is less than or equal to the amount of life you gained. If you do, draw X cards.

When Maiden of the Daffodils dies, you may return target land card from your graveyard to the battlefield.

Flash
Defender
When Majestic Garrison enters, another target creature you control gains indestructible until end of turn.

First strike
When Majestic Monitor enters, if you control a legendary creature, creatures you control get +1/+0 and gain haste until end of turn.

Return target creature card with mana value 5 or less from your graveyard to the battlefield.
Metamorph {B} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up and cast it at any time for its metamorph cost.)

[+2]: Up to one target creature gains deathtouch until your next upkeep.
[–3]: Target player sacrifices a creature and discards a card.
[–8]: Exile all creature cards from all graveyards, then create an X/X black Horror creature token with indestructible, where X is the total power of creatures exiled this way.

Whenever Malignant Afflicted perseveres, destroy target creature an opponent controls that dealt damage this turn. (A creature perseveres when it survives damage.)

Whenever a non-Serf creature you control enters, create a 0/1 black Serf creature token.
Sacrifice a Serf: Target creature you control gets +0/+1 until end of turn.

Maniac Macaque attacks each combat if able.
Whenever Maniac Macaque becomes blocked by a creature, Maniac Macaque deals 1 damage to that creature.

{T}: Discard two cards. If you do, draw two cards.

Manifest a creature card at random from your graveyard. (To manifest a card, put it onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.)

For each of up to X target creature cards in your graveyard, create a token that's a copy of it. Exile the tokens at the beginning of the end step.

Frenzy 1 (Whenever this creature attacks and isn't blocked, it gets +1/+0 until end of turn.)