When Deputy of Detention enters the battlefield, exile target nonland permanent an opponent controls and all other nonland permanents that player controls with the same name as that permanent until Deputy of Detention leaves the battlefield.

: Dread Shade gets +1/+1 until end of turn.

Trample
Whenever Dreadhorde Arcanist attacks, you may cast target instant or sorcery card with converted mana cost less than or equal to Dreadhorde Arcanist's power from your graveyard without paying its mana cost. If that spell would be put into your graveyard this turn, exile it instead.

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
You may look at the top card of your library any time.
You may cast noncreature spells from the top of your library. If you cast a spell this way, you may cast it as though it had flash.

Flying
Whenever you cast a noncreature spell, create a 1/1 white Spirit creature token with flying.
Sacrifice a Spirit: Add .

[+2]: Until your next turn, up to one target creature gets -2/-0 and loses flying.
[−3]: Create a 4/4 blue Elemental Bird creature token with flying.
[−8]: You get an emblem with "Islands you control have ': Draw a card.'"

Counter target creature or planeswalker spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.
Scry 1.

Flying
If you would draw a card while your library has no cards in it, instead put five +1/+1 counters on Ormos, Archive Keeper.
, Discard three cards with different names: Draw five cards.

Plague Mare can't be blocked by white creatures.
When Plague Mare enters the battlefield, creatures your opponents control get -1/-1 until end of turn.

Target creature you control fights target creature you don't control. (Each deals damage equal to its power to the other.)

, : You gain 4 life. Activate this ability only if you control a Yanggu planeswalker.

, : You gain 2 life.
, : Draw a card, then discard a card.

Haste
Storm Fleet Sprinter can't be blocked.

Flying
Taborax, Hope's Demise has lifelink as long as it has five or more +1/+1 counters on it.
Whenever another nontoken creature you control dies, put a +1/+1 counter on Taborax. If that creature was a Cleric, you may draw a card. If you do, you lose 1 life.

Flying
Creature spells with flying you cast cost less to cast.
Whenever another creature with flying enters the battlefield under your control, Watcher of the Spheres gets +1/+1 until end of turn.

When Yasharn, Implacable Earth enters the battlefield, search your library for a basic Forest card and a basic Plains card, reveal those cards, put them into your hand, then shuffle your library.
Players can't pay life or sacrifice nonland permanents to cast spells or activate abilities.