When Maulfist Doorbuster enters the battlefield, you get (two energy counters).

Whenever Maulfist Doorbuster attacks, you may pay . If you do, target creature can't block this turn.

When Mausoleum Guard dies, create two 1/1 white Spirit creature tokens with flying.

Undergrowth — Search your library for a black card with mana value less than or equal to the number of creature cards in your graveyard, reveal it, put it into your hand, then shuffle.

Flying

Whenever another Spirit enters the battlefield under your control, Mausoleum Wanderer gets +1/+1 until end of turn.

Sacrifice Mausoleum Wanderer: Counter target instant or sorcery spell unless its controller pays , where X is Mausoleum Wanderer's power.

Other Human creatures you control get +1/+1.

At the beginning of each upkeep, if no spells were cast last turn, transform Mayor of Avabruck.

Flying

Whenever a player sacrifices another permanent, put a +1/+1 counter on each creature you control.

At the beginning of your end step, sacrifice Measure of Wickedness and you lose 8 life.

Whenever another card is put into your graveyard from anywhere, target opponent gains control of Measure of Wickedness.

When Medicine Runner enters the battlefield, you may remove a counter from target permanent.

Living metal (As long as it's your turn, this Vehicle is also a creature.)

Whenever Megatron attacks, you may sacrifice another artifact. When you do, Megatron deals damage equal to the sacrificed artifact's mana value to target creature. If excess damage would be dealt to that creature this way, instead that damage is dealt to that creature's controller and you convert Megatron.

You can't get poison counters.

Creatures you control can't have -1/-1 counters put on them.

Creatures your opponents control lose infect.

Flying

, Return a land you control to its owner's hand: Create a 1/1 blue Illusion creature token with flying.

Memorial to Unity enters the battlefield tapped.

: Add .

, , Sacrifice Memorial to Unity: Look at the top five cards of your library. You may reveal a creature card from among them and put it into your hand. Then put the rest on the bottom of your library in a random order.

You may cast target instant or sorcery card from an opponent's graveyard without paying its mana cost.

Target player shuffles up to three target cards from their graveyard into their library.

Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Other green creatures you control get +1/+1.

Draw three cards.

Basic landcycling (, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

When Mephitic Draught enters the battlefield or is put into a graveyard from the battlefield, you draw a card and you lose 1 life.

When Merciless Executioner enters the battlefield, each player sacrifices a creature.

Exile target creature. Incubate 3. (Create an Incubator token with three +1/+1 counters on it and ": Transform this artifact." It transforms into a 0/0 Phyrexian artifact creature.)

Flying

Whenever you cast an instant or sorcery spell, Mercurial Geists gets +3/+0 until end of turn.

You may have Mercurial Pretender enter the battlefield as a copy of a creature you control, except it has ": Return this creature to its owner's hand."

Until end of turn, target nonland permanent loses all abilities and becomes your choice of a blue Frog creature with base power and toughness 1/1 or a blue Octopus creature with base power and toughness 4/4.

: Switch target creature's power and toughness until end of turn.

Whenever one or more Halflings you control attack a player, create a Food token. (It's an artifact with ", , Sacrifice this artifact: You gain 3 life.")

Haste

Merry, Esquire of Rohan has first strike as long as it's equipped.

Whenever you attack with Merry and another legendary creature, draw a card.

Visit — Creatures you control with power 2 or less gain horsemanship until end of turn. (They can't be blocked except by creatures with horsemanship.)

Lights — 5, 6

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for .)

Counter target spell unless its controller pays .

Whenever you cast an instant or sorcery spell, create an X/X colorless Construct artifact creature token, where X is that spell's mana value.

, Exile Metallurgic Summonings: Return all instant and sorcery cards from your graveyard to your hand. Activate only if you control six or more artifacts.

This spell costs less to cast, where X is the total mana value of noncreature artifacts you control.

Sacrifice two artifacts: Return Metalwork Colossus from your graveyard to your hand.

(: Add or .)

Meticulous Archive enters the battlefield tapped.

When Meticulous Archive enters the battlefield, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

Whenever Mezzio Mugger attacks, exile the top card of each player's library. You may play those cards this turn, and you may spend mana as though it were mana of any color to cast those spells.

Blitz (If you cast this spell for its blitz cost, it gains haste and "When this creature dies, draw a card." Sacrifice it at the beginning of the next end step.)

(As this Saga enters and after your draw step, add a lore counter.)

I, II — Target creature gets +1/+1 until end of turn for each artifact and/or enchantment you control.

III — Exile this Saga, then return it to the battlefield transformed under your control.

As an additional cost to cast this spell, sacrifice X Contraptions.

Assemble X plus one Contraptions. (To assemble a Contraption, put the top card of your Contraption deck face up onto one of your sprockets.)

Other Aetherborn you control get +1/+1.

Whenever Midnight Entourage or another Aetherborn you control dies, you draw a card and you lose 1 life.

Exile X target creature cards from your graveyard. For each creature card exiled this way, create a 2/2 black Zombie creature token.

Kicker (You may pay an additional as you cast this spell.)

Target creature gets +3/+3 until end of turn. If this spell was kicked, that creature gets +5/+5 until end of turn instead.

Migloz, Maze Crusher enters the battlefield with five oil counters on it.

, Remove an oil counter from Migloz: It gains vigilance and menace until end of turn.

, Remove two oil counters from Migloz: It gets +2/+2 until end of turn.

, Remove three oil counters from Migloz: Destroy target artifact or enchantment.

Mikaeus, the Lunarch enters the battlefield with X +1/+1 counters on it.

: Put a +1/+1 counter on Mikaeus.

, Remove a +1/+1 counter from Mikaeus: Put a +1/+1 counter on each other creature you control.

Vigilance (Attacking doesn't cause this creature to tap.)

When Militia Bugler enters the battlefield, look at the top four cards of your library. You may reveal a creature card with power 2 or less from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Minas Morgul, Dark Fortress enters the battlefield tapped.

: Add .

, : Put a shadow counter on target creature. For as long as that creature has a shadow counter on it, it's a Wraith in addition to its other types. (A creature with shadow can block or be blocked by only creatures with shadow.)

Target opponent reveals cards from the top of their library until four land cards are revealed. That player puts all cards revealed this way into their graveyard.

Flash

At the beginning of your upkeep, put an oil counter on Mindsplice Apparatus.

Instant and sorcery spells you cast cost less to cast for each oil counter on Mindsplice Apparatus.

Flying, vigilance

When Miner's Guidewing dies, target creature you control explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on that creature, then put the card back or put it into your graveyard.)

Flash

Enchant creature

When enchanted creature dies, return that card to the battlefield under your control.

Haste

When Minotaur de Force enters the battlefield, you get , then you may put a sticker on a nonland permanent you own.

: Minotaur Illusionist gains shroud until end of turn. (It can't be the target of spells or abilities.)

, Sacrifice Minotaur Illusionist: It deals damage equal to its power to target creature.

Reach (This creature can block creatures with flying.)

: Minotaur Sureshot gets +1/+0 until end of turn.