{T}: Add {C}.
If you would add {C}, you may pay 1 life. If you do, add {W} instead.

{T}: Add {C}.
If you would add {C}, you may pay 1 life. If you do, add {R} instead.

When Codename: Ant dies, you may search your library for a card named Codename: Ant, reveal it, put it into your hand, then shuffle.

Codename: Bumblebee enters with a +1/+1 counter and a flying counter on it.
At the beginning of your upkeep, you may move a counter from Codename: Bumblebee onto another creature.

Flying
{1}, {T}: Surveil 1. This ability costs {1} less to activate if you control a blue permanent.

When Codename: Spyder enters, mill three cards.
Whenever one or more cards are put into your graveyard from your library, you may return up to one of those cards to your hand. Do this only once each turn.

When Coercive Contractor enters, create a Treasure token.
{X}, {T}, Sacrifice a Treasure: Gain control of target nontoken creature with mana value X until end of turn. Untap that creature. It gains haste until end of turn. Activate only as a sorcery.

{T}, Exile an instant or sorcery card from your graveyard: Add one mana of any type.
Once each turn, when you cast an instant or sorcery spell, you may create a 1/1 colorless Construct artifact creature token.

Colossal Tarasque can't be blocked by creatures with power 2 or less.
{2}, Discard Colossal Tarasque: Search your library for a basic Forest card, reveal it, put it into your hand, then shuffle.

This spell costs {X} less to cast, where X is your greatest devotion to a single color.
Menace

Vigilance
{T}, Sacrifice a creature: Target creature can't be blocked this turn. Activate only if you control a black permanent.

Create a 0/0 white Army creature token if your devotion to white is three or more.
Put a +1/+1 counter on each creature you control.

Destroy target creature. That creature's controller loses 1 life for each kind of counter among permanents you control.

Flash
When Conduit of Change enters, if you cast it, return all other nonland permanents to their owner's hands.
Spellcharge 7

When Confetti Cannons leaves the battlefield, create a 1/1 white Elemental Bird creature token with flying.

Choose one —
• Target creature gets +2/+0 and gains indestructible until end of turn.
• Target player sacrifices a creature.

Congressional Hall enters tapped.
{T}: Add {W} or {U}.
{4}: Make a pledge. Activate only as a sorcery.

Flash
Approval — When Congressional Kraken enters, return each nonland permanent with mana value less than or equal to the number of colors among permanents you control to their owners' hands.

Gain control of up to two target creatures with total mana value 4 or less until end of turn. Untap one of them. It gains haste until end of turn.

Destroy target artifact or enchantment. If that permanent was a token, draw a card.

Indulgence
When Conspiracy of Wealth enters, draw a card.
Whenever you indulge, you may exile target card from a graveyard.

Enchant creature
Enchanted creature gets +1/+1 and has “Whenever this creature deals combat damage to a player, draw a card.”
{VP}{VP}{VP}: Enchanted creature gains flying until end of turn.

Deathtouch
Whenever a creature you control with deathtouch deals damage to a planeswalker, destroy that planeswalker.
{2}{G}, Exile Contagion Brewer from your graveyard: Return target creature card with deathtouch from your graveyard to your hand.

Enchant creature
When Contain for Study enters, tap enchanted creature.
You control enchanted creature.
Enchanted creature doesn't untap during its controller's untap step.

Controlled Ecosystem enters tapped.
{T}: Add {G} or {U}.
{4}: Make a pledge. Activate only as a sorcery.