
Belligerent Sliver | Creature | Sliver | Sliver creatures you control have menace. (They can't be blocked except by two or more creatures.) | Raymond Swanland

Goblin Rabblemaster | Creature | Goblin Warrior | Other Goblin creatures you control attack each combat if able.
At the beginning of combat on your turn, create a 1/1 red Goblin creature token with haste.
Whenever Goblin Rabblemaster attacks, it gets +1/+0 until end of turn for each other attacking Goblin. | Svetlin Velinov

Goblin Roughrider | Creature | Goblin Knight | | Jesper Ejsing

Krenko's Enforcer | Creature | Goblin Warrior | Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.) | Karl Kopinski

Rummaging Goblin | Creature | Goblin Rogue | {T}, Discard a card: Draw a card. | Karl Kopinski

Wall of Fire | Creature | Wall | Defender (This creature can't attack.)
{R}: Wall of Fire gets +1/+0 until end of turn. | Dan Dos Santos