Red spells cost more to cast.

: Monstrosity 2. (If this creature isn't monstrous, put two +1/+1 counters on it and it becomes monstrous. can be paid with one mana from a snow source.)

As long as Chillerpillar is monstrous, it has flying.

At the beginning of your upkeep, you may put a +1/+1 counter on Chlorophant.

Threshold — As long as seven or more cards are in your graveyard, Chlorophant has "At the beginning of your upkeep, you may put another +1/+1 counter on Chlorophant."

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.

: Chronatog gets +3/+3 until end of turn. You skip your next turn. Activate only once each turn.

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

Put target creature into its owner's library second from the top.

Wither (This deals damage to creatures in the form of -1/-1 counters.)

: Regenerate Cinderbones.

Whenever an opponent casts a noncreature spell, Cindervines deals 1 damage to that player.

, Sacrifice Cindervines: Destroy target artifact or enchantment. Cindervines deals 2 damage to that permanent's controller.

Proclamator Hailer — Each creature you control gets +1/+1 for each +1/+1 counter on it.

If you roll a 3 on a six-sided die, you may reroll that die.

Destroy all enchantments.

For each land, destroy that land unless any player pays 1 life.

Haste

Sacrifice a Goblin: Clickslither gets +2/+2 and gains trample until end of turn.

When Clocknapper enters, choose beginning phase, first main phase, combat phase, second main phase, or ending phase. Steal that phase from target player during their next turn. (That phase occurs as though it's your turn instead.)

You may have Clone enter as a copy of any creature on the battlefield.

When Cloudform enters, it becomes an Aura with enchant creature. Manifest the top card of your library and attach Cloudform to it. (To manifest a card, put it onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.)

Enchanted creature has flying and hexproof.

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.)

Reach

Whenever this creature mutates, you may discard a card. If you do, draw a card.

Flying

, , Discard a card: Create a 1/1 blue Faerie creature token named Cloud Sprite. It has flying and "Cloud Sprite can block only creatures with flying."

Flying

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

Enchant creature you control

When Cocoon enters, tap enchanted creature and put three pupa counters on Cocoon.

Enchanted creature doesn't untap during your untap step if Cocoon has a pupa counter on it.

At the beginning of your upkeep, remove a pupa counter from Cocoon. If you can't, sacrifice it, put a +1/+1 counter on enchanted creature, and that creature gains flying.

Flying

: Reassemble target Contraption you control. (Move it onto another one of your sprockets.)

Reach, trample

Enchant creature

When Colossification enters, tap enchanted creature.

Enchanted creature gets +20/+20.

Prevent all damage that would be dealt to you and planeswalkers you control this turn by sources you don't control. If damage from a creature source is prevented this way, Comeuppance deals that much damage to that creature. If damage from a noncreature source is prevented this way, Comeuppance deals that much damage to the source's controller.

Counter target spell unless its controller pays .

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

When you cycle Complicate, you may counter target spell unless its controller pays .

, Discard a card: Draw a card.

, Sacrifice Compulsion: Draw a card.

Put target attacking creature on the bottom of its owner's library. Its controller gains life equal to its toughness.

Whenever a player discards a card, you may gain 1 life.

Conflagrate deals X damage divided as you choose among any number of targets.

Flashback—, Discard X cards. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Counter target spell that targets a creature.

Draw a card.

Enchant land

You control enchanted land.

Conservatory enters tapped.

: Add or .

, : Investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

As Conspiracy enters, choose a creature type.

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

At the beginning of your upkeep, sacrifice Contamination unless you sacrifice a creature.

If a land is tapped for mana, it produces instead of any other type and amount.

Enchant creature

When enchanted creature attacks, return it and Contempt to their owners' hands at end of combat.

Counter target spell.

Recover (When a creature is put into your graveyard from the battlefield, you may pay . If you do, return this card from your graveyard to your hand. Otherwise, exile this card.)

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

All Mountains are Plains.

Counter target spell unless its controller pays .

You may have Copycrook enter as a copy of any creature on the battlefield, except it has "Whenever this creature attacks, it connives." (Draw a card, then discard a card. If you discarded a nonland card, put a +1/+1 counter on this creature.)

Destroy target nonblack creature. Create two 0/1 colorless Eldrazi Spawn creature tokens. They have "Sacrifice this creature: Add ."

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.)

At the beginning of your upkeep, put a rust counter on each artifact target opponent controls. Then destroy each artifact with mana value less than or equal to the number of rust counters on it. Artifacts destroyed this way can't be regenerated.

When Corrosion leaves the battlefield, remove all rust counters from all permanents.

Whenever an opponent casts a spell, you may reveal the top card of your library. If you do, counter that spell if it has the same mana value as the revealed card.

This spell can't be countered.

Counter target spell you don't control.

Overload (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Counter target spell. You may cast a spell that shares a card type with it from your hand without paying its mana cost.

Counter target spell. You may cast a creature, instant, sorcery, or planeswalker spell from your graveyard with mana value less than or equal to that spell's mana value without paying its mana cost.

Counter target noncreature spell. Its controller loses 2 life.

Emerge from artifact (You may cast this spell by sacrificing an artifact and paying the emerge cost reduced by that artifact's mana value.)

When Crabomination enters, target opponent exiles the top card of their library, a card at random from their graveyard, and a card at random from their hand. You may cast a spell from among cards exiled this way without paying its mana cost.

, , Tap two untapped red creatures you control: Crackleburr deals 3 damage to any target.

, , Untap two tapped blue creatures you control: Return target creature to its owner's hand. ( is the untap symbol.)