Gremlin

Duskmourn: House of Horror Tokens

Modern Horizons 3 Tokens

March of the Machine Commander Tokens

Aether Revolt Tokens

"Know your place, pets! First blood is mine!"

Razorkin Hordecaller

Haste
Whenever you attack, create a 1/1 red Gremlin creature token.

"Do they cause trouble? Sure. But if you're nice to them, the trouble happens to other folks."

Gremlin Tamer

Eerie — Whenever an enchantment you control enters and whenever you fully unlock a Room, create a 1/1 red Gremlin creature token.

"They might look funny, but when all those teeth sink into your flesh, you won't be laughing."
—Winter

Midnight Mayhem

Create three 1/1 red Gremlin creature tokens. Gremlins you control gain menace, lifelink, and haste until end of turn. (A creature with menace can't be blocked except by two or more creatures.)

A whiff of aether brings the horde out of hiding.

Scurry of Gremlins

When Scurry of Gremlins enters the battlefield, create two 1/1 red Gremlin creature tokens. Then you get an amount of {E} (energy counters) equal to the number of creatures you control.
Pay {E}{E}{E}{E}: Creatures you control get +1/+0 and gain haste until end of turn.

When Scurry of Gremlins enters, create two 1/1 red Gremlin creature tokens. Then you get an amount of {E} (energy counters) equal to the number of creatures you control.
Pay {E}{E}{E}{E}: Creatures you control get +1/+0 and gain haste until end of turn.