Double strike

Master Tactician — Whenever one or more tokens you control enter, draw a card.

Chapter Master — : Create two 2/2 white Astartes Warrior creature tokens with vigilance.

Double any effect that doubles. (It quadruples.)

Devour 2 (As this enters, you may sacrifice any number of creatures. This creature enters with twice that many +1/+1 counters on it.)

When Marrow Chomper enters, you gain 2 life for each creature it devoured.

All Rats have fear.

, Sacrifice a Rat: Create X 1/1 black Rat creature tokens, where X is the number of Rats you control.

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

Creatures target player controls get -1/-1 until end of turn. If this spell was kicked, those creatures get -2/-2 until end of turn instead.

, Pay 1 life, Sacrifice Marsh Flats: Search your library for a Plains or Swamp card, put it onto the battlefield, then shuffle.

All creatures get -2/-0 until end of turn.

Megamorph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.)

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

Other Knights you control get +1/+1.

, : Tap another target creature.

Tap any number of untapped creatures you control. You gain 4 life for each creature tapped this way.

When Marshdrinker Giant enters, destroy target Island or Swamp an opponent controls.

This spell costs less to cast, where X is your devotion to black. (Each in the mana costs of permanents you control counts toward your devotion to black.)

Create X 1/1 white Soldier creature tokens. If X is 5 or more, destroy all other creatures.

Enchant creature

Enchanted creature gets +1/+1 and is goaded. (It attacks each combat if able and attacks a player other than you if able.)

Whenever enchanted creature attacks, each other creature that's attacking one of your opponents gets +1/+1 until end of turn.

Whenever Márton Stromgald attacks, other attacking creatures get +1/+1 until end of turn for each attacking creature other than Márton Stromgald.

Whenever Márton Stromgald blocks, other blocking creatures get +1/+1 until end of turn for each blocking creature other than Márton Stromgald.

, Reveal X red cards from your hand, Sacrifice Martyr of Ashes: Martyr of Ashes deals X damage to each creature without flying.

When Martyr of Dusk dies, create a 1/1 white Vampire creature token with lifelink.

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

Until end of turn, target creature you control gains ": The next 1 damage that would be dealt to target creature, planeswalker, or player this turn is dealt to this creature instead." Only you may activate this ability.

Whenever Martyr's Bond or another nonland permanent you control is put into a graveyard from the battlefield, each opponent sacrifices a permanent of their choice that shares a card type with it.

Exile all white creatures. For each creature exiled this way, its controller draws a card.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)

When Martyr's Soul enters, if you control no tapped lands, put two +1/+1 counters on it.

Trample

When Marut enters, if mana from a Treasure was spent to cast it, create a Treasure token for each mana from a Treasure spent to cast it. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")

Whenever Marvo, Deep Operative attacks, clash with defending player. (Each clashing player reveals the top card of their library, then puts that card on the top or bottom. A player wins if their card had a higher mana value.)

Whenever you win a clash, draw a card. Then you may cast a spell from your hand with mana value 8 or less without paying its mana cost.

: Switch a Killbot or Mary O'Kill in your hand with one on the battlefield. (If a creature is tapped, the switched creature is tapped. The same is true for untapped, attacking, blocking, enchanted, equipped, and targeted. Any counters on a creature are on the switched creature instead.)

Flash

Tapped creatures you control can block as though they were untapped.

This spell costs less to cast if it targets a creature token.

Gain control of target creature until end of turn. Untap that creature. It gets +2/+0 and gains haste until end of turn.

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

At the beginning of each player's upkeep, if there are four or more basic land types among lands that player controls, Mask of Intolerance deals 3 damage to that player.

Whenever equipped creature deals combat damage to a player, you may draw two cards. If you do, discard a card.

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

, , 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

Vigilance

Menace (This creature can't be blocked except by two or more creatures.)

, Exile Masked Bandits from your hand: Target land gains ": Add , , or " until Masked Bandits is cast from exile. You may cast Masked Bandits for as long as it remains exiled.

Green creatures and white creatures have protection from Gorgons.

Threshold — Masked Gorgon has protection from green and from white as long as seven or more cards are in your graveyard.

Creatures you control are every creature type. The same is true for creature spells you control and creature cards you own that aren't on the battlefield.

, : Create a 2/2 blue Shapeshifter creature token with changeling. (It is every creature type.)

Destroy all nonwhite creatures.

All creatures have haste.

For each opponent, gain control of up to one target creature that player controls until end of turn. Untap those creatures. They gain haste until end of turn.

Exile all creatures you control, then reveal cards from the top of your library until you reveal that many creature cards. Put all creature cards revealed this way onto the battlefield, then shuffle the rest of the revealed cards into your library.

If an opponent controls a Plains and you control a Swamp, you may cast this spell without paying its mana cost.

All creatures get -2/-2 until end of turn.

Menace

Creatures you control have wither. (They deal damage to creatures in the form of -1/-1 counters.)

Whenever a creature an opponent controls dies, if its toughness was less than 1, draw a card.

When this creature enters, creatures your opponents control get -2/-2 until end of turn.

Whenever a creature an opponent controls dies, that player loses 2 life.

Massive Raid deals damage to any target equal to the number of creatures you control.

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.

, : Tap target creature.

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.