Marauding Axe-Swinger

Raid- When Marauding Axe-Swinger enters the battlefield, if you attacked with a creature this turn, create a 3/1 red Berserker creature token with "This creature attacks each turn if able."
At the beginning of your upkeep, if Marauding Axe-Swinger entered the battlefield during your last turn, Berserkers you control get +2/+2 until end of turn.