Because it is a Dragon, it can be revived with a redame, and it is easy to use even if it is put into the main zone, so there is no room for complaints
For the classic GP/PT stamps this is not so bad as they are small and unobstructive, however for the modern European GP stamps that is a different matter as they disfigure the artwork
With Selective Obliteration, the controllers have a similar ability to work with
I also seen people theorizing on the idea because of Habakirimon, being based on the sword (habakiri) Susanoo used to defeat Orochi (a serpent)
Swiftfoot Boots better way to get haste (and hexproof) for equip 1, better than Boros Guildmage Anguished Unmaking is a great permanent exile, think Purphoros, God of the Forge or along that lines Bloodgift Demon gives you an extra draw each turn for under $1 Zealous Conscripts can go infinite with Kiki-Jiki, Mirror Breaker (same as Restoration Angel), for about 50 cents Hope that helps