Mutate (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)

Whenever this creature mutates, return target permanent card from your graveyard to your hand.

Boneyard Wurm's power and toughness are each equal to the number of creature cards in your graveyard.

Trample

Whenever Book Devourer deals combat damage to a player, you may discard all the cards in your hand. If you do, draw that many cards.

Prevent all combat damage that would be dealt by target attacking or blocking creature this turn. If was spent to cast this spell, Boros Fury-Shield deals damage to that creature's controller equal to the creature's power.

Boss's Chauffeur enters with a number of +1/+1 counters on it equal to one plus the number of other creatures you control.

Alliance — Whenever another creature you control enters, put a +1/+1 counter on Boss's Chauffeur.

When Boss's Chauffeur dies, create a 1/1 green and white Citizen creature token for each +1/+1 counter on it.

Read ahead (Choose a chapter and start with that many lore counters. Add one after your draw step. Skipped chapters don't trigger. Sacrifice after III.)

I — You may sacrifice a creature. If you do, each opponent discards a card.

II — Return target creature card from your graveyard to your hand.

III — Target opponent may sacrifice a nonland, nontoken permanent of their choice. If they don't, they lose 2 life and you draw a card.

Reach, trample

When Bramble Wurm enters, you gain 5 life.

, Exile Bramble Wurm from your graveyard: You gain 5 life.

Enchant creature you control

When enchanted creature deals combat damage to a player, sacrifice it and attach Breath of Fury to a creature you control. If you do, untap all creatures you control and after this phase, there is an additional combat phase.

Briber's Purse enters with X gem counters on it.

, , Remove a gem counter from Briber's Purse: Target creature can't attack or block this turn.

At the beginning of each end step, each player gains control of all nontoken permanents they own.

Trample

Whenever Bull Aurochs attacks, it gets +1/+0 until end of turn for each other attacking Aurochs.

Target player loses 1 life for each tapped artifact they control.

Flash

Enchant creature

Enchanted creature gets +2/+2 as long as it's a Detective you control. Otherwise, it has base power and toughness 1/1 and can't block Detectives.

Equipment spells you cast cost less to cast.

Equip abilities you activate cost less to activate.

Whenever an opponent plays a land, you may put a land card from your hand onto the battlefield.

Search your library for up to three creature cards, put them into your graveyard, then shuffle.

You may begin the game with CARDNAME in your graveyard. If you do, you lose 1 life.

, Sacrifice Buried Treasure: Add one mana of any color.

, Exile Buried Treasure from your graveyard: Discover 5. Activate only as a sorcery. (Exile cards from the top of your library until you exile a nonland card with mana value 5 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)

Ward (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays .)

Daybound (If a player casts no spells during their own turn, it becomes night next turn.)

As an additional cost to cast this spell, tap any number of untapped creatures you control.

Burn at the Stake deals damage to any target equal to three times the number of creatures tapped this way.

Creatures you control get +2/+0 until end of turn.

Burn from Within deals X damage to any target. If a creature is dealt damage this way, it loses indestructible until end of turn. If that creature would die this turn, exile it instead.

Burn the Impure deals 3 damage to target creature. If that creature has infect, Burn the Impure deals 3 damage to that creature's controller.

Burn Trail deals 3 damage to any target.

Conspire (As you cast this spell, you may tap two untapped creatures you control that share a color with it. When you do, copy it and you may choose a new target for the copy.)

Whenever any player taps a permanent, that player choose one of their opponents. The chosen player gains control of that permanent at the beginning of the next end step.

At the beginning of each player's end step, if that player didn't tap any nonland permanents that turn, Burning Cinder Fury of Crimson Chaos Fire deals 3 damage to that player.

Whenever a player taps a nonbasic land for mana, Burning Earth deals 1 damage to that player.

Burning Hands deals 2 damage to target creature or planeswalker. If that permanent is green, Burning Hands deals 6 damage instead.

You destroy four lands you control, then target opponent destroys four lands they control. Then Burning of Xinye deals 4 damage to each creature.

: Burning Palm Efreet deals 2 damage to target creature with flying and that creature loses flying until end of turn.

Whenever a creature dies, that creature's controller sacrifices a land of their choice.

Whenever Burning Sun Cavalry attacks or blocks while you control a Dinosaur, Burning Sun Cavalry gets +1/+1 until end of turn.

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.)

Up to two target creatures each get +2/+0 and gain haste until end of turn.

You may reveal a sorcery card you own from outside the game and put it into your hand. Exile Burning Wish.

First strike

, Discard a card: Burning-Fist Minotaur gets +2/+0 until end of turn.

Bloodthirst 1 (If an opponent was dealt damage this turn, this creature enters with a +1/+1 counter on it.)

: Target creature can't block Burning-Tree Bloodscale this turn.

: Target creature blocks Burning-Tree Bloodscale this turn if able.

Whenever a player activates an ability that isn't a mana ability, Burning-Tree Shaman deals 1 damage to that player.

Trample, haste

When Burning-Yard Trainer enters, another target Knight you control gets +2/+2 and gains trample and haste until end of turn.

, Sacrifice this creature: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

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

Add X mana in any combination of and/or , where X is the sacrificed creature's mana value.

Sacrifice Burr Grafter: Target creature gets +2/+2 until end of turn.

Soulshift 3 (When this creature dies, you may return target Spirit card with mana value 3 or less from your graveyard to your hand.)

Protection from red

Sacrifice Burrenton Forge-Tender: Prevent all damage a red source of your choice would deal this turn.

Flash (You may cast this spell any time you could cast an instant.)

When this creature enters, target creature an opponent controls gets -1/-0 until end of turn.

Enchant creature

Enchanted creature has mountainwalk. (It can't be blocked as long as defending player controls a Mountain.)

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

Burst Lightning deals 2 damage to any target. If this spell was kicked, it deals 4 damage instead.

Creatures you control gain haste until end of turn. (They can attack and even if they just came under your control.)

Bursting Beebles can't be blocked as long as defending player controls two or more nonland permanents that share an artist.

At the beginning of your end step, if you don't control a Food, create a Food token. (It's an artifact with ", , Sacrifice this artifact: You gain 3 life.")

When Byway Courier dies, investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

, : Target creature gets -1/-1 until end of turn.

Threshold — , : Target creature gets -2/-2 until end of turn. Activate only if seven or more cards are in your graveyard.