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.

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.

Whenever a creature you control deals combat damage to an opponent, exile the top card of their library. Until end of turn, you may play that card, and mana of any type can be spent to cast it.
Spells you cast and don't own cost {1} less to cast.

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.

Create a token that's a copy of target creature, except it's 3/3.

Target opponent loses 3 life unless they discard a nonland card, then loses 3 life unless they sacrifice a nonland permanent. You gain life equal to the amount of life lost this way.

At the beginning of your end step, for each opponent with an even number of cards in hand, they lose 3 life and you gain 3 life.
[+1]: Target player draws a card and loses 1 life.
[–4]: Target opponent exiles one or more cards from their hand. Then you may have that player exchange their hand and the exiled cards.

Choose a color. Exile all permanents of the chosen color. Until the end of your next turn, if you would add {C}, instead add {C} and one mana of the chosen color.

{T}: Add {C}.
If a spell or ability you control would produce {C}, you may pay 1 life. If you do, it produces {G} instead.

{T}: Add {C}.
If a spell or ability you control would produce {C}, you may pay 1 life. If you do, it produces {B} instead.

{T}: Add {C}.
If a spell or ability you control would produce {C}, you may pay 1 life. If you do, it produces {U} instead.

{T}: Add {C}.
If a spell or ability you control would produce {C}, you may pay 1 life. If you do, it produces {W} instead.

{T}: Add {C}.
If a spell or ability you control would produce {C}, you may pay 1 life. If you do, it produces {R} instead.

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.

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.

Choose one —
• Return target creature card from a graveyard to its owner's hand.
• Exile target creature card in a graveyard, then draw a card.

{C/B}: Integrate target card in a graveyard.
As long as a creature card with flying is integrated onto Corpsepyre Fiend, it has flying. The same is true for first strike, double strike, deathtouch, haste, hexproof, indestructible, lifelink, reach, trample, and vigilance.

When Cosmic Colossus enters, if you cast it from your hand, cast a copy of target card in exile without paying its mana cost unless an opponent exiles two nonland permanents they control.

Flying, ward {1}
Whenever you cast an instant or sorcery spell, mill a card. Return an instant or sorcery card milled this way to your hand. If you can't, put a +1/+1 counter on Covetous Frostwyrm.

Gain control of target permanent. Untap it. It gains haste until end of turn.

Vigilance
Whenever this creature transforms into Crown Betrayer or another permanent you control transforms, Crown Betrayer gets +2/+0 and gains indestructible until end of turn.

Cryptolabe enters tapped.
{T}: Add {G}{U}. This mana can't be spent to cast spells from your hand.
Sacrifice Cryptolabe: You may cast target artifact, instant, or sorcery card from your graveyard. Activate only as a sorcery.

Integrate each nontoken creature you don't control with power 2 or less.