At the beginning of your end step, if you've cast a noncreature spell this turn, reveal the top five cards of your library. For each card type among noncreature spells you've cast this turn, you may put a card of that type from among the revealed cards into your hand. Put the rest on the bottom of your library in a random order.

Flash

When Illicit Masquerade enters, put an impostor counter on each creature you control.

Whenever a creature you control with an impostor counter on it dies, exile it. Return up to one other target creature card from your graveyard to the battlefield.

Double strike

Whenever a Samurai or Warrior you control attacks alone, draft a card from Imperial Blademaster's spellbook.

You may pay rather than pay this spell's mana cost.

If the cost was paid, you draw three cards, then an opponent creates two Treasure tokens and they scry 2. If that cost wasn't paid, you draw X cards.

Reach

: Add .

: Add two mana of any one color. Spend this mana only to cast Mount or Vehicle spells.

Whenever Iron Mastiff attacks, roll a d20 for each player being attacked and ignore all but the highest roll.

1–9 | Iron Mastiff deals damage equal to its power to you.

10–19 | Iron Mastiff deals damage equal to its power to defending player.

20 | Iron Mastiff deals damage equal to its power to each opponent.

, , Sacrifice another creature: Reveal cards from the top of your library until you reveal a nonlegendary creature card. Put that card onto the battlefield and the rest on the bottom of your library in a random order.

At the beginning of combat on your turn, you may pay . If you do, support 2. (Put a +1/+1 counter on each of up to two other target creatures.)

When Karfell Kennel-Master enters, up to two target creatures each get +1/+0 and gain indestructible until end of turn. (Damage and effects that say "destroy" don't destroy them.)

First strike, vigilance

Whenever Kazandu Blademaster or another Ally you control enters, you may put a +1/+1 counter on Kazandu Blademaster.

Whenever Kessig Forgemaster blocks or becomes blocked by a creature, Kessig Forgemaster deals 1 damage to that creature.

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

When Killer's Mask enters, manifest dread, then attach Killer's Mask to that creature. (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.)

Equipped creature has menace.

Equip

First strike

Bushido 1 (Whenever this creature blocks or becomes blocked, it gets +1/+1 until end of turn.)

Whenever another nontoken creature you control dies, if it was enchanted or equipped, return it to its owner's hand.

Creature tokens you control that are enchanted or equipped get +1/+1.

When Kor Hookmaster enters, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step.

, Sacrifice three artifacts: Search your library for an artifact card, put it onto the battlefield, then shuffle.

Choose a card name, then target player mills a card. If a card with the chosen name was milled this way, you gain life equal to its mana value.

Draw a card.

: Leaping Master gains flying until end of turn.

As an additional cost to cast this spell, discard a card.

: Lesser Masticore deals 1 damage to target creature.

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.)

Hexproof

You can't lose the game.

Whenever you gain life, draw that many cards.

Whenever you lose life, for each 1 life you lost, exile a permanent you control or a card from your hand or graveyard.

When Lich's Mastery leaves the battlefield, you lose the game.

Haste; horsemanship (This creature can't be blocked except by creatures with horsemanship.)

Whenever you cast an Elf spell, you may create a 1/1 green Elf Warrior creature token.

Magmasaur enters with five +1/+1 counters on it.

At the beginning of your upkeep, you may remove a +1/+1 counter from Magmasaur. If you don't, sacrifice Magmasaur and it deals damage equal to the number of +1/+1 counters on it to each creature without flying and each player.

Fabricate 3 (When this creature enters, put three +1/+1 counters on it or create three 1/1 colorless Servo artifact creature tokens.)

Whenever an artifact you control is put into a graveyard from the battlefield, target opponent loses life equal to Marionette Master's power.

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.

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.)