When Bloom Hulk enters, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Gift a Treasure (You may promise an opponent a gift as you cast this spell. If you do, they create a Treasure token before its other effects. It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")

Blooming Blast deals 2 damage to target creature. If the gift was promised, Blooming Blast also deals 3 damage to that creature's controller.

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

At the beginning of your end step, put a +1/+1 counter on target creature you control.

Reach

When Blossom Prancer enters, look at the top five cards of your library. You may reveal a creature or enchantment card from among them and put it into your hand. Put the rest on the bottom of your library in a random order. If you didn't put a card into your hand this way, you gain 4 life.

Whenever Blossoming Bogbeast attacks, you gain 2 life. Then creatures you control gain trample and get +X/+X until end of turn, where X is the amount of life you gained this turn.

Target creature you control gets +2/+2 and gains hexproof until end of turn.

Whenever Blossoming Tortoise enters or attacks, mill three cards, then return a land card from your graveyard to the battlefield tapped.

Activated abilities of lands you control cost less to activate.

Land creatures you control get +1/+1.

Haste

Whenever Bomat Courier attacks, exile the top card of your library face down. (You can't look at it.)

, Discard your hand, Sacrifice Bomat Courier: Put all cards exiled with Bomat Courier into their owners' hands.

Target creature you control gets +1/+1 and gains hexproof until end of turn. The Ring tempts you. (A creature with hexproof can't be the target of spells or abilities your opponents control.)

Until end of turn, cards you own that aren't on the battlefield lose all card types, costs, names, and abilities and become red sorceries named Missile that cost with "Missile deals 2 damage to any target."

When Boneclad Necromancer enters, you may exile target creature card from a graveyard. If you do, create a 2/2 black Zombie creature token.

Destroy target land you control and target land you don't control.

Whenever Boomer Scrapper enters or attacks, you lose 1 life and create a Junk token. (It's an artifact with ", Sacrifice this artifact: Exile the top card of your library. You may play that card this turn. Activate only as a sorcery.")

Whenever a token you control leaves the battlefield, put a +1/+1 counter on Boomer Scrapper.

Whenever you crank Boomflinger, roll two six-sided dice. Boomflinger deals damage to target player or planeswalker equal to the difference between those results.

As Boomstacker enters and whenever it attacks, stack two dice on top of it. (All dice must be stacked vertically, one on top of another.)

Boomstacker gets +1/+1 for each die in its stack.

Boomstacker attacks each combat if able.

When the stack falls, sacrifice Boomstacker.

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.

Menace

Goaded creatures your opponents control can't block.

Whenever you cast a noncreature spell, goad target creature an opponent controls. (Until your next turn, that creature attacks each combat if able and attacks a player other than you if able.)

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

Bottomless Vault enters tapped.

You may choose not to untap Bottomless Vault during your untap step.

At the beginning of your upkeep, if Bottomless Vault is tapped, put a storage counter on it.

, Remove any number of storage counters from Bottomless Vault: Add for each storage counter removed this way.

Enchant creature

Cumulative upkeep (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

Enchanted creature's controller can't cast creature spells.

Vigilance

Nimble (This creature can't be blocked by creatures with power 3 or greater.)

Kithkin you control have thoughtweft. (A creature with thoughtweft has all printed keyword abilities of other creatures you control with thoughtweft.)

Menace, haste

Boast — Sacrifice another creature or artifact: Broadside Bombardiers deals damage equal to 2 plus the sacrificed permanent's mana value to any target. (Activate only if this creature attacked this turn and only once each 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.

Flying

Reinforce 2— (, Discard this card: Put two +1/+1 counters on target creature.)

, Remove a counter from a permanent you control: Create a 1/1 colorless Gnome artifact creature token.

, Sacrifice an artifact: Choose any kind of counter a printed card refers to, then put one of that counter on target permanent.

, : Each opponent loses 2 life. Activate only if a creature died this turn.

As Canker Abomination enters, choose an opponent. Canker Abomination enters with a -1/-1 counter on it for each creature that player controls.

Vigilance

Exile Cannon — When Canoptek Tomb Sentinel enters from a graveyard, exile up to one target nonland permanent.

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

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

When Cao Ren, Wei Commander enters, you lose 3 life.

The next 1 damage that would be dealt to target creature this turn is dealt to another target creature instead.

Draw a card.

Devoid (This card has no color.)

When Catacomb Sifter enters, create a 1/1 colorless Eldrazi Scion creature token. It has "Sacrifice this creature: Add ."

Whenever another creature you control dies, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

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

, Sacrifice this creature: Destroy target artifact or enchantment.

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

: Cavern Stomper can't be blocked by creatures with power 2 or less this turn.

When you unlock this door, search your library for a Room card that doesn't have the same name as a Room you control, reveal it, put it into your hand, then shuffle.

(You may cast either half. That door unlocks on the battlefield. As a sorcery, you may pay the mana cost of a locked door to unlock it.)

+1: Elementals you control get +2/+0 until end of turn.

−1: Add .

−2: Chandra, Novice Pyromancer deals 2 damage to any target.

Whenever you roll a 4 or higher on a die, create a 1/1 green Squirrel creature token.

Bestow (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.)

Flying, first strike, vigilance, trample, lifelink

Enchanted creature gets +4/+4 and has flying, first strike, vigilance, trample, and lifelink.

Lands you control have ": Add one mana of any color."

: Add one mana of any color.

, , Sacrifice Chromatic Sphere: Add one mana of any color. Draw a card.

When Chrome Cat enters, scry 1.

Whenever Chrome Host Hulk attacks, up to one other target creature has base power and toughness 5/5 until end of turn.

Imprint — When Chrome Mox enters, you may exile a nonartifact, nonland card from your hand.

: Add one mana of any of the exiled card's colors.

When Chrome Replicator enters, if you control two or more nonland, nontoken permanents with the same name as one another, create a 4/4 colorless Construct artifact creature token.

Affinity for artifacts (This spell costs less to cast for each artifact you control.)

Flying

When Chromescale Drake enters, reveal the top three cards of your library. Put all artifact cards revealed this way into your hand and the rest into your graveyard.

Flying

Rampage 2 <I>(Whenever this creature becomes blocked, it gets +2/+2 until end of turn for each creature blocking it beyond the first.)</I>

At the beginning of your upkeep, sacrifice Chromium unless you pay .

Flying

Atomic Transmutation — , , Sacrifice another artifact: Draw a card.

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

, : Put a +1/+1 counter on Chronomaton.

Whenever you cast a blue spell, exile the top card of target player's library.

Whenever you cast a black spell, exile the top card of target player's library.

Your opponents can't cast spells with the same name as a card exiled with Circu, Dimir Lobotomist.