Keyword: Haste

Haste
Reveal Masterful Ninja from your hand: Masterful Ninja is on the battlefield and in your hand until end of turn.
: Masterful Ninja gets +1/+1 until end of turn.

Flying
Haste (This creature can attack and as soon as it comes under your control.)
When Thundermaw Hellkite enters the battlefield, it deals 1 damage to each creature with flying your opponents control. Tap those creatures.

Haste
: Create a token that’s a copy of target nonlegendary creature you control, except it has haste. Sacrifice it at the beginning of the next end step.

Flying, haste
You may cast sorcery spells as though they had flash. (You may cast them any time you could cast an instant.)

Haste
Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

Haste (This creature can attack and as soon as it comes under your control.)
When Goblin Ringleader enters the battlefield, reveal the top four cards of your library. Put all Goblin cards revealed this way into your hand and the rest on the bottom of your library in any order.

Haste (This creature can attack and as soon as it comes under your control.)
Other Goblin creatures you control get +1/+1 and have haste.

Vigilance, trample, haste
Whenever Gishath, Sun’s Avatar deals combat damage to a player, reveal that many cards from the top of your library. Put any number of Dinosaur creature cards from among them onto the battlefield and the rest on the bottom of your library in a random order.

Haste

Vigilance, trample, haste
Whenever Gishath, Sun’s Avatar deals combat damage to a player, reveal that many cards from the top of your library. Put any number of Dinosaur creature cards from among them onto the battlefield and the rest on the bottom of your library in a random order.

Haste
Whenever Tilonalli’s Skinshifter attacks, it becomes a copy of another target nonlegendary attacking creature until end of turn.

Haste
Whenever Captain Lannery Storm attacks, create a Treasure token. (It’s an artifact with “, Sacrifice this artifact: Add one mana of any color.”)
Whenever you sacrifice a Treasure, Captain Lannery Storm gets +1/+0 until end of turn.

Haste
Whenever Tilonalli’s Skinshifter attacks, it becomes a copy of another target nonlegendary attacking creature until end of turn.

Trample, haste

Haste
Whenever Captain Lannery Storm attacks, create a Treasure token. (It’s an artifact with “, Sacrifice this artifact: Add one mana of any color.”)
Whenever you sacrifice a Treasure, Captain Lannery Storm gets +1/+0 until end of turn.

Haste
When Brazen Buccaneers enters the battlefield, it explores. (Reveal the top card of your library. Put that card into your hand if it’s a land. Otherwise, put a +1/+1 counter on this creature, then put the card back or put it into your graveyard.)

Haste
Whenever Captain Lannery Storm attacks, create a Treasure token. (It’s an artifact with “, Sacrifice this artifact: Add one mana of any color.”)
Whenever you sacrifice a Treasure, Captain Lannery Storm gets +1/+0 until end of turn.

Flash
Flying, trample, haste
When Nira, Hellkite Duelist enters the battlefield, the next time you would lose the game this turn, instead draw three cards and your life total becomes 5.

Flying, haste
Lieutenant — As long as you control your commander, Tyrant’s Familiar gets +2/+2 and has “Whenever Tyrant’s Familiar attacks, it deals 7 damage to target creature defending player controls.”

Haste
, : Exile target instant or sorcery card from your graveyard.
, , Sacrifice Izzet Chemister: Cast any number of cards exiled with Izzet Chemister without paying their mana costs.

Flying, haste
Whenever Hellkite Charger attacks, you may pay . If you do, untap all attacking creatures and after this phase, there is an additional combat phase.

Eminence — Whenever you cast another Vampire spell, if Edgar Markov is in the command zone or on the battlefield, create a 1/1 black Vampire creature token.
First strike, haste
Whenever Edgar Markov attacks, put a +1/+1 counter on each Vampire you control.

Flying, haste
At the beginning of combat on your turn, choose an opponent at random that Territorial Hellkite didn’t attack during your last combat. Territorial Hellkite attacks that player this combat if able. If you can’t choose an opponent this way, tap Territorial Hellkite.

Eminence — Whenever you cast another Vampire spell, if Edgar Markov is in the command zone or on the battlefield, create a 1/1 black Vampire creature token.
First strike, haste
Whenever Edgar Markov attacks, put a +1/+1 counter on each Vampire you control.

Haste
When Earthshaker Khenra enters the battlefield, target creature with power less than or equal to Earthshaker Khenra’s power can’t block this turn.
Eternalize (, Exile this card from your graveyard: Create a token that’s a copy of it, except it’s a 4/4 black Zombie Jackal Warrior with no mana cost. Eternalize only as a sorcery.)