Keyword: Haste

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

Haste
: Flowstone Hellion 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
Sacrifice a Goblin: Clickslither gets +2/+2 and gains trample until end of turn.

Flying, haste
Whenever Blazing Specter deals combat damage to a player, that player discards a card.

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

Multikicker (You may pay an additional any number of times as you cast this spell.)
Haste
Skitter of Lizards enters the battlefield with a +1/+1 counter on it for each time it was kicked.

Trample, haste
Whenever Barbed Shocker deals damage to a player, that player discards all the cards in their hand, then draws that many cards.

When you cast this spell, return all cards named Demigod of Revenge from your graveyard to the battlefield.
Flying, haste

Haste
: Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

Haste
Inspired — Whenever Satyr Nyx-Smith becomes untapped, you may pay . If you do, create a 3/1 red Elemental enchantment creature token with haste.

Haste
Tribute 2 (As this creature enters the battlefield, an opponent of your choice may put two +1/+1 counters on it.)
When Oracle of Bones enters the battlefield, if tribute wasn’t paid, you may cast an instant or sorcery spell from your hand without paying its mana cost.

Flying, haste
Impetuous Sunchaser attacks each combat if able.

Haste
Whenever Thraximundar attacks, defending player sacrifices a creature.
Whenever a player sacrifices a creature, you may put a +1/+1 counter on Thraximundar.

Haste
Whenever another creature you control dies, it deals damage equal to its power to target player or planeswalker.

Haste
Whenever Thraximundar attacks, defending player sacrifices a creature.
Whenever a player sacrifices a creature, you may put a +1/+1 counter on Thraximundar.

Haste
When Minotaur Skullcleaver enters the battlefield, it gets +2/+0 until end of turn.

This spell can’t be countered.
Haste, protection from blue
Mistcutter Hydra enters the battlefield with X +1/+1 counters on it.

Flying, haste, protection from white
: Monstrosity 3. (If this creature isn’t monstrous, put three +1/+1 counters on it and it becomes monstrous.)
When Stormbreath Dragon becomes monstrous, it deals damage to each opponent equal to the number of cards in that player’s hand.

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

Flying
Haste (This creature can attack and as soon as it comes under your control.)
Whenever an opponent is dealt damage by a red instant or sorcery spell you control or by a red planeswalker you control, return Chandra’s Phoenix from your graveyard to your hand.

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

When you cast this spell, return all cards named Demigod of Revenge from your graveyard to the battlefield.
Flying, haste

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.