Keyword: Haste

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

Trample (This creature can deal excess combat damage to the player or planeswalker it’s attacking.)
Haste (This creature can attack and as soon as it comes under your control.)
At the beginning of the end step, sacrifice Ball Lightning.

Haste
: Vulshok Sorcerer deals 1 damage to any target.

Trample, haste (This creature can deal excess combat damage to the player or planeswalker it’s attacking. This creature can attack and as soon as it comes under your control.)
At the beginning of the end step, sacrifice Spark Elemental.

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
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.

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
As long as Anger is in your graveyard and you control a Mountain, creatures you control have haste.

Trample, haste
Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
At the beginning of the end step, sacrifice Putrefax.

Haste
Flameborn Hellion attacks each combat if able.

Flying, haste
Metalcraft — : Return Kuldotha Phoenix from your graveyard to the battlefield. Activate this ability only during your upkeep and only if you control three or more artifacts.

Haste
Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

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

This spell can’t be countered.
Haste
Gaea’s Revenge can’t be the target of nongreen spells or abilities from nongreen sources.

Haste (This creature can attack and as soon as it comes under your control.)
At the beginning of the end step, sacrifice Arc Runner.

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.

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.

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.

Haste (This creature can attack and as soon as it comes under your control.)
: Kamahl, Pit Fighter deals 3 damage to any target.

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

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.

Haste
When Tuktuk the Explorer dies, create Tuktuk the Returned, a legendary 5/5 colorless Goblin Golem artifact creature token.

Haste
: Cunning Sparkmage deals 1 damage to any target.

Haste
Whenever Akoum Battlesinger or another Ally enters the battlefield under your control, you may have Ally creatures you control get +1/+0 until end of turn.