Double strike
Specialize
When you cast this spell, it gains "When this creature becomes the target of a spell or ability an opponent controls, you may exile this creature, then return it to the battlefield under its owner's control."

Parade! — At the beginning of combat on your turn, choose creatures you control one at a time until each creature you control has been chosen. Each of those creatures gets +1/+1 until end of turn for each creature chosen before it. (Places everyone! The first creature in line gets +0/+0.)

As this creature enters, roll a six-sided die. This creature enters with a number of +1/+1 counters on it equal to the result.
Whenever you roll a die, remove all +1/+1 counters from this creature, then put a number of +1/+1 counters on it equal to the result.

When Clandestine Chameleon enters, you get {TK}{TK}, then you may put a sticker on a nonland permanent you own.
Clandestine Chameleon has all abilities of ability stickers on other permanents you own and cards in your graveyard.

Vigilance
Nimble (This creature can't be blocked by creatures with power 3 or greater.)
Kithkin you control have thoughtweft. (A creature with thoughtweft has all printed keyword abilities of other creatures you control with thoughtweft.)

Flying
Whenever you attack, surveil X, where X is the number of opponents being attacked.
At the beginning of each end step, if three or more cards were put into your graveyard from anywhere other than the battlefield this turn, draw a card.

At the beginning of your upkeep, roll a six-sided die. If you a roll a 1, sacrifice this creature and it deals 3 damage to each creature and each player.

Flying, lifelink
When Lukamina, Hawk Form dies, it unspecializes. If it unspecializes this way, return it to the battlefield tapped.

: Exile the top card of your library. If that card is a land card, this creature gets -4/-0 until end of turn. Otherwise, this creature gets +2/+0 until end of turn.

Whenever Olinda enters or attacks, for each opponent, put an odor counter on up to one target creature that player controls without an odor counter on it. Each of those creatures has "At the beginning of your upkeep, you lose 2 life" for as long as it has an odor counter on it. (They continue to smell after Olinda has left the battlefield.)

Daybound
As Werewhat enters the battlefield, you may exile a creature card from your graveyard or hand. If you do, that card becomes this creature's back face and that back face has nightbound. If you exiled a card from your hand this way, draw a card.

Defender (This creature can't attack.)
: Put a +1/+1 counter on target creature you control. It can't be blocked this turn. Activate only as a sorcery.

Flying
During your upkeep, Prismatic Dragon becomes a random color permanently.
: Prismatic Dragon becomes a random color permanently.

When this creature enters,
exile target creature card with mana value 2 or less from your graveyard. If it has augment, combine it with a host you control. Otherwise, put it onto the battlefield.

: Search your library for a card, put that card into your hand, then shuffle.

Trample
When Geistpack Alpha dies, seek a permanent card with mana value equal to the number of lands you control.

Whenever you lose life, for each 1 life you lost, sacrifice a permanent other than this enchantment unless you discard a card. (Damage dealt to you causes you to lose life.)
: Draw a card.

Whenever a non-black creature is put into any graveyard from play, put a husk counter on Necropolis of Azar.
, Remove a husk counter from Necropolis of Azar: Put a Spawn of Azar token into play. Treat this token as a black creature with a random power and toughness, each no less than 1 and no greater than 3, that has swampwalk.

Dinosaurs, Vehicles, and other Transformers® creatures you control get +2/+0.
, Convert a Transformers toy you own to its other mode: Grimlock, Dinobot Leader becomes Grimlock, Ferocious King.

When this Equipment enters, create a 2/2 red Dwarf creature token, then attach this Equipment to it.
Equipped creature gets +1/+2.
Equip (: Attach to target creature you control. Equip only as a sorcery.)

Creatures named Paper Tiger can't attack or block.

, : Put a matrix counter on target creature and that creature gains "Remove a matrix counter from this creature: Regenerate this creature." Activate only during your upkeep.

Double team (When this creature attacks, conjure a duplicate into your hand, then both of them perpetually lose double team.)
Whenever Moradin's Disciples attacks, tap target creature defending player controls.

Black creatures can't attack unless their controller sacrifices a land of their choice for each black creature they control that's attacking. (This cost is paid as attackers are declared.)

At the beginning of your upkeep, create a Forest land token.

At the beginning of combat on your turn, target Elf you control gains trample and gets +X/+X until end of turn, where X is the number of Forests you control.

Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn. It perpetually gains "This creature attacks each combat if able."

Whenever a player casts an artifact, instant, or sorcery spell, you create a Mutagen token. (It's an artifact with ", , Sacrifice this token: Put a +1/+1 counter on target creature. Activate only as a sorcery.")

Whenever a creature deals damage to you, put a globe counter on it.
, , , , : Tap all creatures with globe counters on them.

: Return this card from your graveyard to the battlefield. Activate only if an opponent isn't touching their hand (of cards).

+2: Mill three cards, then return any number of cards from different Universes milled this way from your graveyard to your hand.
-X: Choose a Universe you haven't chosen this way this game. You may cast a spell from that Universe with mana value X or less from your hand without paying its mana cost.
Byode, Inverse Sun can be your commander.
Your deck can include Universes Beyond cards of any color identity.

When this creature specializes, remove all study counters from it. When you do, distribute that many +1/+1 counters among any number of target creatures.
: Draw a card, then discard a card.

Enchant creature
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.)
Enchanted creature's controller can't cast creature spells.

Whenever this creature attacks and isn't blocked, you may destroy target artifact defending player controls. If you do, this creature assigns no combat damage this turn.

Allows Richard to propose marriage to Lily. If the proposal is accepted both players win; mix the cards in play, both libraries, and both graveyards as a shared deck.

Destroy all creatures. They can't be regenerated. Untap up to four lands you control.