Keyword: Haste

Haste (This creature can attack and as soon as it comes under your control.)

First strike, haste
Unleash (You may have this creature enter the battlefield with a +1/+1 counter on it. It can’t block as long as it has a +1/+1 counter on it.)
Each other creature you control with a +1/+1 counter on it has haste.

Haste
When Viashino Firstblade enters the battlefield, it gets +2/+2 until end of turn.

Haste

Haste
Multicolored creatures you control have haste.

Haste
Whenever you cast a spell, if it’s the second creature spell you cast this turn, you may return Vengevine from your graveyard to the battlefield.

Trample, haste
At the beginning of the end step, sacrifice Hellspark Elemental.
Unearth (: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

Haste
, Discard a card: Draw a card.

Haste
Whenever a creature you control attacks, Hellrider deals 1 damage to the player or planeswalker it’s attacking.

Flying, haste

Flying, vigilance, haste
Whenever Aurelia, the Warleader attacks for the first time each turn, untap all creatures you control. After this phase, there is an additional combat phase.

Haste
Battalion — Whenever Legion Loyalist and at least two other creatures attack, creatures you control gain first strike and trample until end of turn and can’t be blocked by creature tokens this turn.

Trample, lifelink, haste
At the beginning of the end step, sacrifice Spark Trooper.

Haste
When Molten Primordial enters the battlefield, for each opponent, gain control of up to one target creature that player controls until end of turn. Untap those creatures. They gain haste until end of turn.

Flying, haste

Haste
Wither (This deals damage to creatures in the form of -1/-1 counters.)

Haste
Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner’s control with a +1/+1 counter on it.)

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
Whenever Goblin Guide attacks, defending player reveals the top card of their library. If it’s a land card, that player puts it into their hand.

Haste; horsemanship (This creature can’t be blocked except by creatures with horsemanship.)

Flying, haste
When Karrthus, Tyrant of Jund enters the battlefield, gain control of all Dragons, then untap all Dragons.
Other Dragon creatures you control have haste.

First strike, haste
Whenever a player casts a spell from a graveyard, Ash Zealot deals 3 damage to that player.

Haste
Scavenge (, Exile this card from your graveyard: Put a number of +1/+1 counters equal to this card’s power on target creature. Scavenge only as a sorcery.)

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

Haste