Whenever you cast a creature spell, this enchantment becomes a 4/4 Illusion creature with flying in addition to its other types until end of turn.

Partner with Pako, Arcane Retriever
You may play lands and cast noncreature spells from among cards you exiled that have fetch counters on them, and you may spend mana as though it were mana of any color to cast those spells.

Whenever this creature or another Ally you control enters, target player mills X cards, where X is the number of Allies you control.

When this creature enters, you may return target card with awaken from your graveyard to your hand.
Land creatures you control have flying.

Level up

When this creature enters, each player mills two cards. Then you may put an instant, sorcery, or battle card from your graveyard on top of your library.

Counter target artifact spell.
Draw a card.

This creature can't attack unless defending player controls an Island.

Flying
Whenever you cast a spell, return up to one target nonland permanent an opponent controls with mana value less than or equal to that spell's mana value to its owner's hand.

Creatures your opponents control get -2/-0 until end of turn.
Cycling

Tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step.
Cipher

When Hapatra enters, for each opponent, tap up to one target creature that player controls. Put a stun counter on each of those creatures.
: Untap target creature.

Sacrifice this creature: Draw a card, then discard a card.

Vigilance
When Happy Hogan enters, the owner of target creature an opponent controls puts it into their library second from the top or on the bottom.

Nonbasic lands are Islands.

You may cast this spell as though it had flash if you pay more to cast it.
When this creature enters, you may return target tapped creature an opponent controls to its owner's hand.

Islandwalk
This creature can't attack unless there are five or more Islands on the battlefield.

Enchant creature
Enchanted creature gets +0/+2 and has ": Draw a card, then discard a card."

Create a 0/3 blue Crab creature token.
Investigate.

Flying
: Target creature gains flying until end of turn.

Convoke
Choose a creature type. Draw a card for each permanent you control of that type.

, Tap two untapped creatures you control: This creature becomes prepared.

Flying
When this creature enters, tap target permanent.
: Draw a card, then discard a card.

When this enchantment is put into a graveyard from the battlefield, draw three cards.

Vigilance
This creature can't be blocked as long as you've cast an instant or sorcery spell this turn.

Each player reveals the top card of their library. For each creature card revealed this way, create a token that's a copy of that card, except it's 1/1, it's a Spirit in addition to its other types, and it has flying. If no creature cards were revealed this way, return Haunting Imitation to its owner's hand.

, , Exile a creature card from your graveyard: Create a 2/2 black Zombie creature token, then put a +1/+1 counter on each Zombie creature you control.

Whenever this creature attacks, return another creature you control to its owner's hand.

This creature can't be blocked as long as defending player controls an untapped land.

As an additional cost to cast this spell, exile a creature card from your graveyard.
This creature enters tapped.