Tavern Braggart

When Tavern Braggart enters the battlefield,
name as many keyword abilities for creatures
as you can think of. Tavern Braggart gains each
ability that you named this way.
At the beginning of combat, Tavern Braggart
loses all abilities until end of turn. Unattach all equipment from it.
"Whuz his name? Urza? Betcha I'd whup his ass!"