msem-instigator

{1}{R}, Discard a card: Draw a card. Mist-Valley Minotaurs gets +2/+0 until end of turn.

Enchant creature
Enchanted creature has hexproof.
{U}: Return Mistcharm to its owner's hand.

Flying, haste
Miyoga Firebird attacks each combat if able.
Whenever you cast your third instant or sorcery spell this turn, you may return Miyoga Firebird from your graveyard to the battlefield.

Creatures you control with flying get +1/+1.
Whenever a creature you control with flying deals combat damage to a player, you may pay {U}. If you do, draw a card.

Conjure into your hand a duplicate of target nontoken permanent you control or permanent card in your graveyard.
Exile Molecular Mimicry.

You may play Molten Basin from your graveyard as long as seven or more cards are in your graveyard.
Molten Basin enters tapped.
{T}: Add {B} or {R}.
Cycling {1}{B}{R} ({1}{B}{R}, Discard this card: Draw a card.)

Molten Mire enters tapped unless you control a basic land.
{T}: Add {B} or {R}.

({T}: Add {G} or {U}.)
Monsoon Lagoon enters tapped.
Cycling {2} ({2}, Discard this card: Draw a card.)

Monstrous Amalgam gets +X/+X, where X is the number of creature cards in your graveyard.
{B}, Reappropriate: Put a +1/+1 counter on Monstrous Amalgam. Activate only once each turn. (To reappropriate, exile exactly two cards from your hand and/or graveyard.)

Vanguard — Whenever a creature you control attacks alone, that creature gets +3/+0 until end of turn.

Assault {2}{R} (Whenever this attacks, if it has no +1/+1 counters on it, you may pay its assault cost to put a +1/+1 counter on it.)
When Monstrous Hila assaults, it deals 3 damage to any target.

{T}: Add {R} or {G}. You lose 1 life unless you have less life than an opponent.

Monumental Siege deals 5 damage divided as you choose among any number of targets. Whenever a creature dealt damage this way this turn dies, 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.”)

({T}: Add {B}.)
Moon of the Encroaching Night enters tapped.
{1}{B}, {T}: Scry 1.

({T}: Add {W}.)
Moon of the Final Dawn enters tapped.
{1}{W}, {T}: Scry 1.

({T}: Add {U}.)
Moon of the Frozen Dusk enters tapped.
{1}{U}, {T}: Scry 1.

({T}: Add {R}.)
Moon of the Lingering Day enters tapped.
{1}{R}, {T}: Scry 1.

({T}: Add {G}.)
Moon of the Promised Day enters tapped.
{1}{G}, {T}: Scry 1.

Lifelink
At the beginning of your end step, you gain 1 life if you gained life this turn, and each opponent that lost life this turn loses 1 life.

Target spell or permanent becomes colorless.

Flying
Whenever another creature with flying you control enters, put a +1/+1 counter on Moonlight Strix.

Flash
Whenever Moonlit Hunter enters or you cast a noncreature spell, tap target permanent and untap a second target permanent.

Whenever Moonlit Lurker blocks, put a +1/+1 counter on it.

When Moonshadow Remnant enters, destroy target tapped creature.
Mirage {3}{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.)

Flying
{1}{U}: Reveal the top card of your library. Moonwing Watcher's base power becomes equal to that card's mana value.
Prophecy {U} (Once each turn, you may exile a card with prophecy as you reveal it. When you do, you may cast it for its prophecy cost as long as it's exiled.)