Keyword: Haste

Haste
When Lathnu Hellion enters the battlefield, you get (two energy counters).
At the beginning of your end step, sacrifice Lathnu Hellion unless you pay .

Haste
Whenever Bomat Courier attacks, exile the top card of your library face down. (You can’t look at it.)
, Discard your hand, Sacrifice Bomat Courier: Put all cards exiled with Bomat Courier into their owners’ hands.

Trample, haste
Crew 1 (Tap any number of creatures you control with total power 1 or more: This Vehicle becomes an artifact creature until end of turn.)

Trample, haste
When Fleetwheel Cruiser enters the battlefield, it becomes an artifact creature until end of turn.
Crew 2 (Tap any number of creatures you control with total power 2 or more: This Vehicle becomes an artifact creature until end of turn.)

Deathtouch, haste
When Queen Marchesa enters the battlefield, you become the monarch.
At the beginning of your upkeep, if an opponent is the monarch, create a 1/1 black Assassin creature token with deathtouch and haste.

Trample, haste
When Impetuous Devils attacks, up to one target creature defending player controls blocks it this combat if able.
At the beginning of the end step, sacrifice Impetuous Devils.

Trample, haste
Whenever Hanweir, the Writhing Township attacks, create two 3/2 colorless Eldrazi Horror creature tokens that are tapped and attacking.

Trample, haste
When Impetuous Devils attacks, up to one target creature defending player controls blocks it this combat if able.
At the beginning of the end step, sacrifice Impetuous Devils.

Emerge (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature’s converted mana cost.)
When you cast this spell, creatures you control get +2/+2 and gain trample until end of turn.
Trample, haste

Haste
Delirium — When Mournwillow enters the battlefield, if there are four or more card types among cards in your graveyard, creatures with power 2 or less can’t block this turn.

Haste
Menace (This creature can’t be blocked except by two or more creatures.)
When Chittering Host enters the battlefield, other creatures you control get +1/+0 and gain menace until end of turn.

Emerge (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature’s converted mana cost.)
When you cast this spell, creatures you control get +2/+2 and gain trample until end of turn.
Trample, haste

Trample, haste
Whenever Hanweir, the Writhing Township attacks, create two 3/2 colorless Eldrazi Horror creature tokens that are tapped and attacking.

Haste
Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom of your library in a random order.)

Haste
When Fervent Cathar enters the battlefield, target creature can’t block this turn.

Haste
When Avarax enters the battlefield, you may search your library for a card named Avarax, reveal it, and put it into your hand. If you do, shuffle your library.
: Avarax gets +1/+0 until end of turn.

Haste
At the beginning of the end step, sacrifice Ichorid.
At the beginning of your upkeep, if Ichorid is in your graveyard, you may exile a black creature card other than Ichorid from your graveyard. If you do, return Ichorid to the battlefield.

Flying, haste

Haste
Threshold — As long as seven or more cards are in your graveyard, Centaur Chieftain has “When Centaur Chieftain enters the battlefield, creatures you control get +1/+1 and gain trample until end of turn.”

( can be paid with either or .)
Trample; haste; shroud (This creature can’t be the target of spells or abilities.)

Haste
Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)
When Keldon Champion enters the battlefield, it deals 3 damage to target player or planeswalker.

Haste
Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Haste
At the beginning of each upkeep, if no spells were cast last turn, transform Geier Reach Bandit.

Flying, haste
If a source would deal damage to you, it deals double that damage to you instead.
If a source would deal damage to Goldnight Castigator, it deals double that damage to Goldnight Castigator instead.

Haste
, Discard a card: Draw a card.