Choose one —
• Destroy target noncreature artifact with mana value X.
• Burn Up deals X damage to target creature or planeswalker.

Amity — Whenever you attack with Burning Celestial and exactly one other creature, Burning Celestial acclimates.
As long as you control a red Weather, Burning Celestial has trample.

Bustling Motorway enters tapped.
{T}: Add {U} or {R}.
{4}: Make a pledge. Activate only as a sorcery.

Flying

Approval — When Cabinet Recruiter enters, you may search your library for a creature card with mana value less than or equal to the number of colors among permanents you control, reveal it, put it into your hand, then shuffle.

When Cairnblade of the Ancients enters, destroy target creature an opponent controls.
Equipped creature gets +4/+2 and has vigilance.
Equip {4}

Calamitous War Cry deals 2 damage to each creature. If there are six or more different creature types among creatures you control as you cast this spell, it deals 2 damage to each creature you don't control instead.

Haste
{T}, Discard a card: Put a +1/+1 counter on another target creature you control and untap it. It gains haste until end of turn. Activate only as a sorcery.

Callaphe can't be blocked by creatures with mana value 4 or greater.
Whenever Callaphe the Mariner deals combat damage to a player, you get an experience counter. Then if you have three or more experience counters, bless target player.

When Caller of Ferocity enters, bless target creature.

Counter all other spells. Exile up to one spell countered this way instead of putting it into its owner's graveyard. You may cast that spell for as long as it remains exiled, and mana of any type can be spent to cast it.

At the beginning of your upkeep, exile the top card of target opponent's library. You may play that card for as long as it remains exiled, and mana of any type can be spent to cast it.
Spells you cast and don't own cost {1} less to cast.

Calmed Battleground enters tapped unless you control a Plains.
{T}: Add {B} or {R}.

Amity — Whenever you attack with Calming Celestial and exactly one other creature, Calming Celestial acclimates.
As long as you control a blue Weather, Calming Celestial has flying.

Whenever you attack, draw a card for each attacking creature with power 4 or greater, then put a +1/+1 counter on each attacking creature with power 3 or less.

Trample
When Canopy Creeper enters, create two Berry tokens.

Whenever you attack, you may cast an Aura card from your graveyard if that spell targets an attacking creature.

Sacrifice a Treasure: Capital Maglev gains your choice of haste or trample until end of turn.
Crew 2

Flying
Whenever Capital Skyraiders deals combat damage to a player, integrate the top card of that player's library.
Capital Skyraiders gets +3/+3 as long as four or more cards are integrated onto it.

When Capital Zenith enters, sacrifice it unless you pay {2}.
{T}: Add one mana of any type.

When Capricious Cat enters, it acclimates twice.

Target creature you control gets +2/+0 and gains lifelink until end of turn. When that creature dies this turn, draw a card.

Flash
Enchant creature
When Capture Sphere enters, tap enchanted creature.
Enchanted creature doesn't untap during its controller's untap step.

Once each turn, when Carefree Kappa enters or becomes the target of a spell or ability, you may create a Weather enchantment token that's all colors named Looks Like Rain with “Whenever you attack, you gain 1 life.”
Carefree Kappa gets +1/+1 for each Weather you control.

Vigilance
Once each turn, if you would put one or more counters on a creature you control, you may put that many of each of those kinds of counters on each creature you control instead.