The value ranges from $350-600 in a BGS 9.5 of this card based on eBay auction within the last couple of months
While the initial release only had 40 Yu-Gi-Oh cards for sale , each subsequent release has added hundreds more to the collection
Royal Straight Quick-Play Spell Send 1 of each "Queen's Knight", "King's Knight" and "Jack's Knight" from your hand and/or face-up field to the GY, then Special Summon 1 monster that lists all 3 of those monsters in its text, from your hand, Deck, Extra Deck or GY
You can see this happening in the steps all the time
Well-formatted decklists have a much better chance of being read and making it into the column
Youll probably want to play Sarkhan in a go-wide deck to make better use of the +1 ability, and alternating between abilities is good value, too