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.

When Cryptolabe enters, exile your hand and the top card of your library. You may play cards exiled this way for as long as they remain exiled.
{T}: Add {G}{U}. This mana can't be spent to cast spells from your hand.

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

Destroy target attacking or blocking creature with power 3 or less. Scry 1.

Flying
Whenever Cybat becomes tapped, you gain 1 life.

Untap all lands you control. Until end of turn, they become 1/1 Elemental artifact creatures with vigilance, indestructible, and haste in addition to their other types.

Vigilance
Whenever Dark Ambassador attacks, exile up to one target creature, then return that card to the battlefield tapped under its owner's control.

Dark Horizon enters tapped.
{T}: Add {C} or {B}.
{1}, Discard Dark Horizon: Scry 2.

When Data Weaver enters, integrate the top two cards of target opponent's library.
Once during each of your turns, you may play a card integrated onto a permanent you control, and mana of any type can be spent to cast it.

Target player discards two cards. Exile their graveyard.

First strike
Whenever Dated Mechanoid becomes tapped, another target creature you control gets +1/+1 until end of turn.

Exile all creatures and all cards from each player's hand. Any player may play those cards during their turn for as long as they remain exiled, and mana of any type can be spent to cast those spells.
Exile Dawn of Peace.

Ward {2}
At the beginning of your upkeep, put a +1/+1 counter on Decavolt Reactor.

Whenever Deeptreader Arcanist attacks, you may draw a card. If you do, discard a card.

Create a 1/1 colorless Construct artifact creature token, then put a +1/+1 counter on each Construct you control.

Whenever Defthand Infiltrator deals combat damage to a player, put a +1/+1 counter on it if it doesn't have one on it.
Defthand Infiltrator can't be blocked as long as it has a counter on it.

Add {W}{U}{B}{R}.