Arthur, Knight King of the Final Act (DBV-037) [The Decisive Battle of Valhalla]

[Barrier] (Cards that share a name with counters on this card.) As this card enters the field, choose a card name. This card enters the field with a counter of the chosen name and six [+100/+100] counters on it. As long as your J/ruler is "Arthur" or "Arthur, King of Machines", this card gains "At the beginning of your main phase -> Put X [+100/+100] counters on this card, where X is six minus the number of [+100/+100] counters on it". Remove five [+100/+100] counters from this card: Draw a card.