Guardian Beast

Creature - Beast 2/4, 3B (4)
As long as Guardian Beast is untapped, noncreature artifacts you control can't be enchanted, they're indestructible, and other players can't gain control of them.¹
Illus. Ken Meyer, Jr.

Crystal Keep Rulings Summaries

• Does not prevent sacrifices. A sacrifice does not count as a "destroy". [D'Angelo 2000/02/15]
• Does not prevent removal from the game as from Dust to Dust. [WotC Rules Team 1994/10/12]
• Extended tournaments (see Rule 803) have always banned this card.
• Note - Also see Indestructible, Rule G9.10.
• Note - This card was creature type "Guardian" until Oracle 2007/10/01, when it became "Beast".

Format Legality	Legal in Vintage, Legacy Banned in Extended, Standard
Printings (1/1)	Arabian Nights (Uncommon)