You can't untap more than one land during your untap step.

Creatures with no abilities get +2/+2.

Landfall — Whenever a land enters the battlefield under your control, you may pay . If you do, put two +1/+1 counters on Murasa Ranger.

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

When Murasa Sproutling enters the battlefield, if it was kicked, return target card with a kicker ability from your graveyard to your hand.

Enchant creature you control

When enchanted creature dies, create X 1/1 white Soldier creature tokens, where X is its power.

Equipped creature gets +2/+2.

Equip—Discard a card.

Destroy target tapped creature.

Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

When Murderous Redcap enters the battlefield, it deals damage equal to its power to any target.

Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

Destroy target nonblack creature. It can't be regenerated. You gain control of all Equipment that were attached to it. (This effect lasts indefinitely.)

Devoid (This card has no color.)

When Murk Strider enters the battlefield, you may put a card an opponent owns from exile into that player's graveyard. If you do, return target creature to its owner's hand.

Delve (Each card you exile from your graveyard while casting this spell pays for .)

Flying

Murktide Regent enters the battlefield with a +1/+1 counter on it for each instant and sorcery card exiled with it.

Whenever an instant or sorcery card leaves your graveyard, put a +1/+1 counter on Murktide Regent.

(: Add .)

As Murmuring Bosk enters the battlefield, you may reveal a Treefolk card from your hand. If you don't, Murmuring Bosk enters the battlefield tapped.

: Add or . Murmuring Bosk deals 1 damage to you.

Defender

Target creature gets +X/+X until end of turn, where X is 3 plus the number of cards named Muscle Burst in all graveyards.

Flying

When Muse Drake enters the battlefield, draw a card.

Exile the top X cards of your library. You may cast an instant or sorcery spell with mana value X or less from among them without paying its mana cost. Then put the exiled instant and sorcery cards that weren't cast this way into your hand and the rest on the bottom of your library in a random order.

Sacrifice a Food: Put a +1/+1 counter on Mushroom Watchdogs. It gains vigilance until end of turn. Activate only as a sorcery.

When Muster the Departed enters the battlefield, create a 1/1 white Spirit creature token with flying.

Morbid — At the beginning of your end step, if a creature died this turn, populate. (Create a token that's a copy of a creature token you control.)

( can be paid with either or 2 life.)

Target creature gets +2/+2 until end of turn.

Target creature you control with a +1/+1 counter on it fights target creature an opponent controls. (Each deals damage equal to its power to the other.)

Permanents you control with counters on them gain hexproof and indestructible until end of turn. Prevent all damage that would be dealt to those permanents this turn. Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

All creatures get -1/-1 until end of turn for each Swamp you control.

This spell has flash as long as you control a permanent with flash.

As an additional cost to cast this spell, sacrifice a creature.

Destroy target creature.

, : Look at the top X cards of your library, where X is the highest mana value among artifacts you control. You may put an artifact card from among them onto the battlefield. Put the rest on the bottom of your library in any order.

Destroy target land. Search your library for a Forest card, put that card onto the battlefield tapped, then shuffle.

Cumulative upkeep (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay for each age counter on it.)

Mwonvuli Ooze's power and toughness are each equal to 1 plus twice the number of age counters on it.

(Transforms from Twists and Turns.)

: Add .

, : Look at the top four cards of your library. You may reveal a creature card from among them and put that card into your hand. Put the rest on the bottom of your library in a random order.

At the beginning of your upkeep, put a spore counter on Mycologist.

Remove three spore counters from Mycologist: Create a 1/1 green Saproling creature token.

Sacrifice a Saproling: You gain 2 life.

Infesting Spores — When Myconid Spore Tender enters the battlefield, destroy up to one target artifact or enchantment.

Affinity for artifacts (This spell costs less to cast for each artifact you control.)

Artifact creature spells you cast have affinity for artifacts. (They cost less to cast for each artifact you control.)

When Mycosynth Wellspring enters the battlefield or is put into a graveyard from the battlefield, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle.

Myojin of Cleansing Fire enters the battlefield with a divinity counter on it if you cast it from your hand.

Myojin of Cleansing Fire has indestructible as long as it has a divinity counter on it.

Remove a divinity counter from Myojin of Cleansing Fire: Destroy all other creatures.

Myojin of Grim Betrayal enters the battlefield with an indestructible counter on it if you cast it from your hand.

Remove an indestructible counter from Myojin of Grim Betrayal: Put onto the battlefield under your control all creature cards in all graveyards that were put there from anywhere this turn.

Myojin of Life's Web enters the battlefield with a divinity counter on it if you cast it from your hand.

Myojin of Life's Web has indestructible as long as it has a divinity counter on it.

Remove a divinity counter from Myojin of Life's Web: Put any number of creature cards from your hand onto the battlefield.

Myojin of Roaring Blades enters the battlefield with an indestructible counter on it if you cast it from your hand.

Remove an indestructible counter from Myojin of Roaring Blades: It deals 7 damage to each of up to three targets.

Myojin of Towering Might enters the battlefield with an indestructible counter on it if you cast it from your hand.

Remove an indestructible counter from Myojin of Towering Might: Distribute eight +1/+1 counters among any number of target creatures you control. They gain trample until end of turn.

When Myr Battlesphere enters the battlefield, create four 1/1 colorless Myr artifact creature tokens.

Whenever Myr Battlesphere attacks, you may tap X untapped Myr you control. If you do, Myr Battlesphere gets +X/+0 until end of turn and deals X damage to the player or planeswalker it's attacking.

When Myr Custodian enters the battlefield, scry 2. Then each opponent may scry 1. (To scry X, that player looks at the top X cards of their library, then put any number of them on the bottom and the rest on top in any order.)

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

, : Untap each other Myr you control.

When Myr Kinsmith enters the battlefield, you may search your library for a Myr card, reveal it, put it into your hand, then shuffle.

Indestructible (Effects that say "destroy" don't destroy this artifact.)

Myr creatures get +1/+1.

: Create a 1/1 colorless Myr artifact creature token.

When Myr Moonvessel dies, add .

At the beginning of your upkeep, put a +1/+1 counter on Myr Prototype.

Myr Prototype can't attack or block unless you pay for each +1/+1 counter on it.

: Add . Spend this mana only to cast Myr spells or activate abilities of Myr.

, : Return target Myr card from your graveyard to your hand.

Sacrifice Myr Scrapling: Put a +1/+1 counter on target creature.

When Myr Sire dies, create a 1/1 colorless Phyrexian Myr artifact creature token.

: Create a 1/1 colorless Myr artifact creature token.

, Tap five untapped Myr you control: Search your library for a Myr creature card, put it onto the battlefield, then shuffle.

Whenever you cast an instant or sorcery spell from your hand, open an Attraction.

, : Exile target instant or sorcery card with mana value X from your graveyard and choose an Attraction you control that doesn't have a midway counter on it. Put a midway counter on it. For as long as that Attraction is on the battlefield, whenever you visit it, copy the exiled card. You may cast the copy without paying its mana cost.

Kicker

If Myriad Construct was kicked, it enters the battlefield with a +1/+1 counter on it for each nonbasic land your opponents control.

When Myriad Construct becomes the target of a spell, sacrifice it and create a number of 1/1 colorless Construct artifact creature tokens equal to its power.