Keyword: Haste

Trample, haste
Lightning Serpent enters the battlefield with X +1/+0 counters on it.
At the beginning of the end step, sacrifice Lightning Serpent.

Haste
: Return Ashen Ghoul from your graveyard to the battlefield. Activate this ability only during your upkeep and only if three or more creature cards are above Ashen Ghoul.

Flying, haste
Whenever a creature dealt damage by Garza Zol, Plague Queen this turn dies, put a +1/+1 counter on Garza Zol.
Whenever Garza Zol deals combat damage to a player, you may draw a card.

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

Haste
When Hellhole Rats enters the battlefield, target player discards a card. Hellhole Rats deals damage to that player equal to that card’s converted mana cost.

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

Flying, haste

Flying, haste
When Hunted Dragon enters the battlefield, target opponent creates three 2/2 white Knight creature tokens with first strike.

Haste
Goblin Fire Fiend must be blocked if able.
: Goblin Fire Fiend gets +1/+0 until end of turn.

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
Channel — , Discard Shinen of Fury’s Fire: Target creature gains haste until end of turn.

First strike, haste

Haste (This creature can attack and as soon as it comes under your control.)
When Thundermare enters the battlefield, tap all other creatures.

Haste
Iron-Barb Hellion can’t block.

Haste
Iron-Barb Hellion can’t block.

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

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

Haste
Goblin Fire Fiend must be blocked if able.
: Goblin Fire Fiend gets +1/+0 until end of turn.

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

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

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

Haste
Channel — , Discard Shinen of Fury’s Fire: Target creature gains haste until end of turn.

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

Haste
Channel — , Discard Shinen of Fury’s Fire: Target creature gains haste until end of turn.