Edison format ruling
Beast King Barbaros
Card text as printed in this era① You can Normal Summon/Set this card without Tributing, but its original ATK becomes 1900.
② You can Tribute 3 monsters to Tribute Summon (but not Set) this card.
③ If Summoned this way: Destroy all cards your opponent controls.
Rulings
source: Rulings_Edison (Format Library) · 1 era-inappropriate line(s) removedRulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Edison forum — sourced change requests get reviewed.