Flying
At the beginning of combat on your turn, choose up to one —
• Tap target creature.
• Target creature doesn't untap during its controller's next untap step.

, : Copy target activated or triggered ability you control. You may choose new targets for the copy.
Ultimate Sacrifice — , Sacrifice Adric: Counter target activated or triggered ability.
Doctor's companion (You can have two commanders if the other is the Doctor.)

Flying
: This creature gains shroud until end of turn.

Flying
, Discard two cards: Return this card from your graveyard to the battlefield tapped.

Flying
Ward
At the beginning of your upkeep, you may exile two cards from your graveyard. If you do, put a +1/+1 counter on this creature.

Flying
: Exile the top card of your library. Until end of turn, you may play that card. (Reveal the card as you exile it.)

Flying
Whenever this creature attacks, another target attacking creature gains flying until end of turn.

Inspired — Whenever this creature becomes untapped, you may pay . If you do, create a 2/2 blue Bird enchantment creature token with flying.

Flying
Discard a card: Switch this creature's power and toughness until end of turn.

This creature has flying as long as you control an artifact.

When this creature enters, return target creature to its owner's hand.

When this creature enters, choose one —
• Create a 1/1 white Bird creature token with flying.
• Return another target nonland permanent to its owner's hand.
• Draw a card.

Kicker
If this creature was kicked, it enters with two +1/+1 counters on it.
This creature can't be blocked.

Flying
When this creature enters, you get .
Whenever this creature attacks, you may pay . If you do, create a 1/1 colorless Servo artifact creature token.

When this creature enters, you get (three energy counters).
, Pay : Scry 1.

: Exile this creature. Return it to the battlefield under its owner's control at the beginning of the next end step.
: This creature can't be blocked this turn.
: This creature gets +1/-1 until end of turn.
: This creature gets -1/+1 until end of turn.

Whenever this creature blocks a creature, you may return this creature to its owner's hand. If you do, you may put a creature card from your hand onto the battlefield blocking that creature.

When this creature enters, return target nonland permanent to its owner's hand.
Evoke

Flying
At the beginning of your upkeep, you get (three energy counters).
Pay eight : Return all other creatures to their owners' hands. Activate only as a sorcery.

Flying
When this creature enters, you get six .
Pay : Return this creature to its owner's hand.

Flash
Flying
When Falcon Abomination enters, create a 2/2 black Zombie creature token with decayed.

As long as Futurist Operative is tapped, it's a Human Citizen with base power and toughness 1/1 and can't be blocked.
: Untap Futurist Operative.

Flying
When this creature enters, you may search your graveyard, hand and/or library for a card named Magnifying Glass and/or a card named Thinking Cap and put them onto the battlefield. If you search your library this way, shuffle.

Renew — , Exile this card from your graveyard: Put two +1/+1 counters on target creature. Activate only as a sorcery.

, : Choose target opponent. Conjure a duplicate of the top card of their library into your hand. It perpetually gains "You may spend mana as though it were mana of any color to cast this spell." Then they exile the top card of their library face down.

When this creature enters, gain control of target permanent.
At the beginning of your end step, if you control three or more permanents you don't own, draw three cards.

Vigilance
At the beginning of your end step, create a tapped Powerstone token.
: Draw a card and put a +1/+1 counter on Geology Enthusiast.

Gutter Skulker can't be blocked as long as it's attacking alone.
Disturb

Flying
Whenever Hakka, Whispering Raven deals combat damage to a player, return it to its owner's hand, then scry 2.