When Automatic Librarian enters the battlefield, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

Vigilance

, : Put a +1/+1 counter on target Assembly-Worker you control.

//PRT-Prototype_Mech//

Prototype (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.)

2/2

Flying

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 Aven Liberator is turned face up, target creature you control gains protection from the color of your choice until end of turn.

: Add or .

, , Sacrifice Azorius Cluestone: Draw a card.

Return X target outlaw creature cards from your graveyard to the battlefield. (Assassins, Mercenaries, Pirates, Rogues, and Warlocks are outlaws.)

Destroy all enchantments.

, , Sacrifice Balm of Restoration: Choose one —

• You gain 2 life.

• Prevent the next 2 damage that would be dealt to any target this turn.

Other Barbarian creatures get +1/+1.

: Another target Barbarian creature gets +1/+0 until end of turn.

When you cast this spell from your hand, copy it if you control an artifact, then copy it if you control an enchantment. You may choose new targets for the copies.

Return target nonland permanent to its owner's hand. You create a 2/2 white Knight creature token with vigilance.

Indestructible

When Barbed Servitor enters the battlefield, suspect it. (It has menace and can't block.)

Whenever Barbed Servitor deals combat damage to a player, you draw a card and you lose 1 life.

Whenever Barbed Servitor is dealt damage, target opponent loses that much life.

: Prevent the next 1 damage that would be dealt to any target this turn.

Put a -1/-1 counter on Barrenton Medic: Untap Barrenton Medic.

Sacrifice another creature or artifact: Put a +1/+1 counter on Bartolomé del Presidio.

Hexproof, reach

: Bastion Mastodon gains vigilance until end of turn.

Flash

Sunburst (This enters the battlefield with a charge counter on it for each color of mana spent to cast it.)

Remove a charge counter from Baton of Courage: Target creature gets +1/+1 until end of turn.

Flying, first strike

Equipped creature gets +1/+0 and has menace. (It can't be blocked except by two or more creatures.)

Whenever equipped creature deals combat damage to a player or battle, create a Treasure token.

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

As long as it's your turn, creatures you control have hexproof.

Each creature you control with toughness greater than its power assigns combat damage equal to its toughness rather than its power.

Flying, hexproof

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.)

When Belltoll Dragon is turned face up, put a +1/+1 counter on each other Dragon creature you control.

Untap all creatures. Until end of turn, whenever a creature an opponent controls blocks, draw a card.

Draw a card.

Devoid (This card has no color.)

Ingest (Whenever this creature deals combat damage to a player, that player exiles the top card of their library.)

Benthic Infiltrator can't be blocked.

When this creature enters the battlefield, roll a six-sided die. Target opponent loses life equal to the result.

Whenever you cast a spell, add . Until end of turn, you don't lose this mana as steps and phases end.

Creatures you control can boast twice during each of your turns rather than once.

Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.)

Shroud (This creature can't be the target of spells or abilities.)

Fading 3 (This creature enters the battlefield with three fade counters on it. At the beginning of your upkeep, remove a fade counter from it. If you can't, sacrifice it.)

Other creatures you control get +0/+1.

Haste

//PRT-Prototype_Mech//

Prototype (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.)

3/2

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

At the beginning of your end step, target opponent loses life equal to the life that player lost this turn. If no life is lost this way, convert Blitzwing.

Protection from blue

Cycling (, Discard this card: Draw a card.)

When Blood Servitor enters the battlefield, create a Blood token. (It's an artifact with ", , Discard a card, Sacrifice this artifact: Draw a card.")

Red creatures you control have first strike.

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 Bloodstoke Howler is turned face up, Beast creatures you control get +3/+0 until end of turn.

Whenever you cast a spell, if that spell was kicked, Bloodstone Goblin gets +1/+1 and gains menace until end of turn. (It can't be blocked except by two or more creatures.)

Flying

When Blood-Toll Harpy enters the battlefield, each player loses 1 life.

Partner with Owen Grady, Raptor Trainer (When this creature enters the battlefield, target player may put Owen into their hand from their library, then shuffle.)

For each kind of counter on Blue, Loyal Raptor, each other Dinosaur you control enters the battlefield with a counter of that kind on it.

When Boareskyr Tollkeeper enters the battlefield, target opponent reveals all creature and land cards in their hand. Choose one of them. That card perpetually gains "This permanent enters the battlefield tapped."

Cowards can't block Warriors.

: Target creature becomes a Coward until end of turn.

: Target creature becomes a Warrior until end of turn.

Whenever Bonecrusher Giant becomes the target of a spell, Bonecrusher Giant deals 2 damage to that spell's controller.

Open a sealed Magic booster pack, reveal the cards, and put one of them into your hand. (Remove that card from your deck before beginning a new game.)

Vigilance

Whenever an opponent casts a spell, if no mana was spent to cast it, counter that spell.

Sacrifice Boromir, Warden of the Tower: Creatures you control gain indestructible until end of turn. The Ring tempts you.

At the beginning of each player's upkeep, that player discards a card at random.

, , Sacrifice Brainstone: Draw three cards, then put two cards from your hand on top of your library in any order.

Each creature you control that's a Food or a Golem gets +2/+2 and has trample.

Whenever another nontoken creature you control dies, you may exile it. If you do, create a token that's a copy of that creature, except it's a 1/1 Food Golem artifact creature in addition to its other types and it has ", , Sacrifice this artifact: You gain 3 life."

Return all artifact and enchantment cards from your graveyard to the battlefield.

Level up (: Put a level counter on this. Level up only as a sorcery.)

LEVEL 1-2

2/3

: Brimstone Mage deals 1 damage to any target.

LEVEL 3+

2/4

: Brimstone Mage deals 3 damage to any target.

Defender, reach

: Brimstone Trebuchet deals 1 damage to each opponent.

Whenever a Knight enters the battlefield under your control, untap Brimstone Trebuchet.

Brimstone Volley deals 3 damage to any target.

Morbid — Brimstone Volley deals 5 damage instead if a creature died this turn.

Converge — Search your library for a creature, instant, or sorcery card with mana value less than or equal to the number of colors of mana spent to cast this spell, exile that card, then shuffle. You may cast that card without paying its mana cost.

Lifelink

, , Sacrifice another creature: Brion Stoutarm deals damage equal to the sacrificed creature's power to target player or planeswalker.