msem-instigator

Mirrorgate enters tapped.
When Mirrorgate enters, you choose a nonbasic land card name other than Mirrorgate, then each player chooses a color.
Lands with the chosen name are lands with “{T}: Add one mana of any of the chosen colors,” and lose all other abilities, card types, and land types.
{T}: Add one mana of any of the chosen colors.

The “legend rule” doesn't apply to artifacts and enchantments you control.
Equipped creature gets +1/+1 for each artifact and/or enchantment you control.
Equip {2}

Misty Churchyard enters the battlefield tapped.
{T}: Add {W}.
{1}{W}{W}: Until end of turn, Misty Churchyard becomes a 1/4 Cleric creature with “Whenever this creature is dealt damage, put that many +1/+1 counters on it.” Activate only if you're horrific.

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

({T}: Add {B} or {R}.)
Molten Falls enters the battlefield tapped.
{1}, {T}: Add {B}{B} or {R}{R}.

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

{T}: Add {G} or {U}.
{G}{U}, {T}: Return target creature you control to its owner's hand.

{W}{U}, {T}: Target creature gets +2/+2 and gains flying until end of turn.
{U}{B}, {T}: Target player mills three cards.
{B}{R}, {T}: Monolith of Ages deals 3 damage to any target.
{R}{G}, {T}: Target creature gets +4/+2 and gains trample until end of turn.
{G}{W}, {T}: Populate. (Create a token that's a copy of a creature token you control.)

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

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

{T}: Add {C}.
{4}: Put a +1/+1 counter on Monument of Queens. You may have it become a 0/0 Avatar creature with flying, first strike, vigilance, trample, and lifelink until end of turn. It's still a land.

{5}, {T}, Exile a creature you control: Exile target creature.

Whenever a creature enters the battlefield under your control, put a devotion counter on Monument of the Masses.
At the beginning of your upkeep, if Monument of the Masses has thirty-five or more devotion counters on it, you win the game.

{T}: You may put a creature card with mana value 2 from your hand onto the battlefield.

({T}: Add {B}.)
Moon of the Encroaching Night enters the battlefield tapped.
{1}{B}, {T}: Scry 1. (To scry 1, look at the top card of your library. You may put that card on the bottom of your library.)

({T}: Add {W}.)
Moon of the Final Dawn enters the battlefield tapped.
{1}{W}, {T}: Scry 1. (To scry 1, look at the top card of your library. You may put that card on the bottom of your library.)

({T}: Add {U}.)
Moon of the Frozen Dusk enters the battlefield tapped.
{1}{U}, {T}: Scry 1. (To scry 1, look at the top card of your library. You may put that card on the bottom of your library.)

({T}: Add {R}.)
Moon of the Lingering Day enters the battlefield tapped.
{1}{R}, {T}: Scry 1. (To scry 1, look at the top card of your library. You may put that card on the bottom of your library.)

({T}: Add {G}.)
Moon of the Promised Day enters the battlefield tapped.
{1}{G}, {T}: Scry 1. (To scry 1, look at the top card of your library. You may put that card on the bottom of your library.)

Moonchaser Meadow enters the battlefield tapped.
{T}: Add {W}.
{1}{W}{W}, {T}: Put a loyalty counter on each planeswalker you control.

Moonlit Shore enters the battlefield tapped unless you control two or more blue and/or black permanents.
{T}: Add {U} or {B}.

{T}: Add {C}.
{T}, Exile two cards from your graveyard: Add {U} or {B}.

Moonshard Crater enters the battlefield tapped.
{T}: Add {R}.
{2}{R}, {T}: Each player sacrifices a nonbasic land.

{T}: Add {W}.
{W}, {T}: Target creature gains vigilance until end of turn.

{T}: Add {C}.
{1}, {T}, Sacrifice Morphic Verge: Choose two different basic land types. Create a colorless land token that's the chosen types.