, , Sacrifice Mask of the Jadecrafter: Create an X/X colorless Golem artifact creature token. Activate only as a sorcery.

Unearth (: Return this card from your graveyard to the battlefield. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

Whenever equipped creature deals combat damage to a player, it connives X, where X is the amount of damage it dealt to that player. (Draw X cards, then discard X cards. Put a +1/+1 counter on that creature for each nonland card discarded this way.)

Equip

First strike

: Tap target creature blocking Master of Arms.

First strike, deathtouch

Master of Cruelties can only attack alone.

Whenever Master of Cruelties attacks a player and isn't blocked, that player's life total becomes 1. Master of Cruelties assigns no combat damage this combat.

When Master of Death enters, surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

At the beginning of your upkeep, if Master of Death is in your graveyard, you may pay 1 life. If you do, return it to your hand.

Master of Etherium's power and toughness are each equal to the number of artifacts you control.

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

Flying

Whenever Master of Predicaments deals combat damage to a player, choose a card in your hand. That player guesses whether the card's mana value is greater than 4. If the player guessed wrong, you may cast the card without paying its mana cost.

: Create a 1/1 green Wolf creature token named Wolves of the Hunt. It has "bands with other creatures named Wolves of the Hunt." (Any creatures named Wolves of the Hunt can attack in a band as long as at least one has "bands with other creatures named Wolves of the Hunt." Bands are blocked as a group. If at least two creatures named Wolves of the Hunt you control, one of which has "bands with other creatures named Wolves of the Hunt," are blocking or being blocked by the same creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

When Master of the Veil is turned face up, you may turn target creature with a morph ability face down.

Protection from red

Elemental creatures you control get +1/+1.

When Master of Waves enters, create a number of 1/0 blue Elemental creature tokens equal to your devotion to blue. (Each in the mana costs of permanents you control counts toward your devotion to blue.)

When Master Thief enters, gain control of target artifact for as long as you control Master Thief.

Mastercraft Raptor's power is equal to the total power of the exiled cards used to craft it.

Choose one —

• Create two 3/3 colorless Golem artifact creature tokens.

• Choose target artifact you control. Each other artifact you control becomes a copy of that artifact until end of turn.

You may have Masterwork of Ingenuity enter as a copy of any Equipment on the battlefield.

Masumaro, First to Live's power and toughness are each equal to twice the number of cards in your hand.

When Maul of the Skyclaves enters, attach it to target creature you control.

Equipped creature gets +2/+2 and has flying and first strike.(It deals combat damage before creatures without first strike.)

Equip

Trample

When Maulfist Revolutionary enters or dies, for each kind of counter on target permanent or player, give that permanent or player another counter of that kind.

Whenever one or more nontoken Vampires you control attack, create a 1/1 white Vampire creature token with lifelink.

Destroy target land. You gain 4 life.

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.

: Add .

: Untap target attacking creature with shadow. Prevent all combat damage that would be dealt to and dealt by that creature this turn.

If a red or artifact source you control would deal damage to an opponent or a permanent an opponent controls, it deals that much damage plus 1 instead.

Exile the top ten cards of your library. You may cast spells with exactly three colors from among them this turn. Add . Spend this mana only to cast spells with exactly three colors.

Living metal (During 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.

Memorial to Folly enters tapped.

: Add .

, , Sacrifice Memorial to Folly: Return target creature card from your graveyard to your hand.

Target opponent reveals their hand. You choose a nonland card from it. That player discards that card. You may put a card that has an Adventure that player owns from exile into that player's graveyard.

Flying

When Mentor of Evos Isle enters the battlefield, choose a creature card in your hand. It perpetually gains flying.

, : Put a winch counter on Mercadian Lift.

, Remove X winch counters from Mercadian Lift: You may put a creature card with mana value X from your hand onto the battlefield.

Mercenary Informer can't be the target of black spells or abilities from black sources.

: Put target nontoken Mercenary on the bottom of its owner's library.

, Discard a card: Draw a card.

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.

: Destroy target creature with islandwalk.

Whenever a creature you control explores, Merfolk Cave-Diver gets +1/+0 until end of turn and can't be blocked this turn.

Flying

Whenever you cast a kicked spell, scry 2.

, : Target player mills two cards.

When Merfolk Observer enters, look at the top card of target player's library.

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

Phasing (This phases in or out before you untap during each of your untap steps. While it's phased out, it's treated as though it doesn't exist.)

Flying

When Merfolk Skydiver enters, put a +1/+1 counter on target creature you control.

: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

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

: Target Merfolk creature can't be blocked this turn.

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

Flash

When Merfolk Trickster enters, tap target creature an opponent controls. It loses all abilities until end of turn.

Flying

Whenever Merfolk Windrobber deals combat damage to a player, that player mills a card. (They put the top card of their library into their graveyard.)

Sacrifice Merfolk Windrobber: Draw a card. Activate only if an opponent has eight or more cards in their graveyard.

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.

Flying

: Mesa Falcon gets +0/+1 until end of turn.

Flying

When Messenger Falcons enters, draw a card.

Lifelink

When Metamorphosis Fanatic enters, return up to one target creature card from your graveyard to the battlefield with a lifelink counter on it.

Miracle (You may cast this card for its miracle cost when you draw it if it's the first card you drew this turn.)

(Transforms from Path of Mettle.)

: Add one mana of any color.

, : Metzali, Tower of Triumph deals 2 damage to each opponent.

, : Choose a creature at random that attacked this turn. Destroy that creature.