: Add one mana of any color.

Whenever you cast a spell, Manaplasm gets +X/+X until end of turn, where X is that spell's mana value.

Sliver creatures you control have ": Add one mana of any color."

Cast this spell only during combat.

Your opponents can't cast spells this turn.

End the combat phase. (Remove all attackers and blockers from combat. Exile all spells and abilities from the stack, including this spell.)

Lifelink

Whenever another artifact you control enters, Mandible Justiciar gets +1/+1 until end of turn.

Vigilance

Lifelink

Whenever an opponent attacks with creatures, if two or more of those creatures are attacking you and/or planeswalkers you control, draw a card.

Whenever an opponent casts their second spell each turn, draw a card.

As Mangara's Equity enters, choose black or red.

At the beginning of your upkeep, sacrifice Mangara's Equity unless you pay .

Whenever a creature of the chosen color deals damage to you or a white creature you control, Mangara's Equity deals that much damage to that creature.

When Manglehorn enters, you may destroy target artifact.

Artifacts your opponents control enter tapped.

When Manic Scribe enters, each opponent mills three cards.

Delirium — At the beginning of each opponent's upkeep, if there are four or more card types among cards in your graveyard, that player mills three cards.

Manifest dread. (Look at the top two cards of your library. Put one onto the battlefield face down as a 2/2 creature and the other into your graveyard. Turn it face up any time for its mana cost if it's a creature card.)

Reveal the top ten cards of your library. Starting with the next opponent in turn order, each opponent chooses a different nonland card from among them. Put the chosen cards into your hand and the rest on the bottom of your library in a random order.

Offspring (You may pay an additional as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.)

At the beginning of combat on your turn, target Mouse you control gains your choice of double strike or trample until end of turn.

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

Manor Gate enters tapped.

As Manor Gate enters, choose a color other than green.

: Add or one mana of the chosen color.

Haste

: Regenerate Manor Skeleton.

Equipped creature gets +1/+2 and has ": Destroy target Equipment."

Equip (: Attach to target creature you control. Equip only as a sorcery.)

: Manta Riders gains flying until end of turn.

Afflict 3 (Whenever this creature becomes blocked, defending player loses 3 life.)

Manticore Eternal attacks each combat if able.

: Mantis Engine gains flying until end of turn. (It can't be blocked except by creatures with flying or reach.)

: Mantis Engine gains first strike until end of turn. (It deals combat damage before creatures without first strike.)

Flash (You may cast this spell any time you could cast an instant.)

Enchant creature

Whenever a creature enters, enchanted creature gets +2/+2 until end of turn.

Enchant creature

Enchanted creature gets +4/+4.

When Mantle of the Wolf is put into a graveyard from the battlefield, create two 2/2 green Wolf creature tokens.

Enchant creature

Enchanted creature gets +1/+3 and has reach. (It can block creatures with flying.)

Marang River Prowler can't block and can't be blocked.

You may cast Marang River Prowler from your graveyard as long as you control a black or green permanent.

Ward (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays .)

Islandcycling (, Discard this card: Search your library for an Island card, reveal it, put it into your hand, then shuffle.)

When March of the Canonized enters, create X 1/1 white Vampire creature tokens with lifelink.

At the beginning of your upkeep, if your devotion to white and black is seven or greater, create a 4/3 white and black Vampire Demon creature token with flying.

Whenever a nontoken creature you control attacks, create a 1/1 red Goblin creature token that's tapped and attacking.

Sacrifice Mardu Ascendancy: Creatures you control get +0/+3 until end of turn.

Marjhan doesn't untap during your untap step.

, Sacrifice a creature: Untap Marjhan. Activate only during your upkeep.

Marjhan can't attack unless defending player controls an Island.

: Marjhan gets -1/-0 until end of turn and deals 1 damage to target attacking creature without flying.

When you control no Islands, sacrifice Marjhan.

Lifelink (Damage dealt by this creature also causes you to gain that much life.)

Multikicker (You may pay an additional any number of times as you cast this spell.)

Creatures you control get +1/+1.

When Marshal's Anthem enters, return up to X target creature cards from your graveyard to the battlefield, where X is the number of times Marshal's Anthem was kicked.

Flying

, : Rather than pay the mana cost of the next spell you cast this turn, you may pay life equal to that spell's mana value.

, Reveal X white cards from your hand, Sacrifice Martyr of Sands: You gain three times X life.

Equipped creature has flying and lifelink.

Whenever equipped creature dies, you may pay X life, where X is its power. If you do, draw X cards.

Equip

Enchant creature

Enchanted creature has protection from black and from red.

Changeling (This card is every creature type.)

When Masked Vandal enters, you may exile a creature card from your graveyard. If you do, exile target artifact or enchantment an opponent controls.

Each other creature you control enters with a number of additional +1/+1 counters on it equal to Master Biomancer's power and as a Mutant in addition to its other types.

: Create a 4/4 white and blue Golem artifact creature token. Activate only if Master's Manufactory or another artifact entered the battlefield under your control this turn.

Flying

Whenever another Spirit you control enters, 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.

Flash

Enchant creature

When Maze's Mantle enters, if enchanted creature has toxic, that creature gains hexproof until end of turn.

Enchanted creature gets +2/+2.

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)

Whenever Meandering Towershell attacks, exile it. Return it to the battlefield under your control tapped and attacking at the beginning of the declare attackers step on your next turn.

Enchant artifact you control

At the beginning of your upkeep, create a token that's a copy of enchanted artifact. Then if you control eight or more artifacts with the same name as one another, you win the game.

, Exile Mechtitan Core and four other artifact creatures and/or Vehicles you control: Create Mechtitan, a legendary 10/10 Construct artifact creature token with flying, vigilance, trample, lifelink, and haste that's all colors. When that token leaves the battlefield, return all cards exiled with Mechtitan Core except Mechtitan Core to the battlefield tapped under their owners' control.

Crew 2

More Than Meets the Eye (You may cast this card converted for .)

Your opponents can't cast spells during combat.

At the beginning of each of your postcombat main phases, you may convert Megatron. If you do, add for each 1 life your opponents have lost this turn.

, : The controller of target instant or sorcery spell copies it. That player may choose new targets for the copy.

Put target permanent card from your graveyard on top of your library. (Then exile this card. You may cast the creature later from exile.)

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

When this creature enters, you may draw a card.

Mercadian Bazaar enters tapped.

: Put a storage counter on Mercadian Bazaar.

, Remove any number of storage counters from Mercadian Bazaar: Add for each storage counter removed this way.

When Merchant of Secrets enters, draw a card.

Flying

Whenever a nontoken creature you control dies, investigate.

Clues you control have exalted. (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn for each instance of exalted among permanents you control.)