I could also see Sarkhan being the key piece of a R/B Control deck which is the kind of deck that always looks better on paper than how it performs because of the variance in its draw steps and lack of velocity to filter through the deck, the exact problem Sarkhan can solve
If a monster(s) leaves the field by your Normal Trap effect, while this card is in your GY (except during the Damage Step): You can Special Summon this card
[4] Nelson's card, "Furious Max's Curse", hints that The Sparrow's mother was under the curse of Dead Max, which made her become evil
The two ways to do it are either curve into it with creatures or to play spells that put creature tokens onto the battlefield in one fashion or the other
The artifacts retain any types, subtypes, supertypes, and abilities they have
This lock may end the game, but folks don't exactly like sitting around picking goobers while you don't win the game