Holographic/Special - Holo, Secret Rare, and promotional cards have higher values
Number 14: Victory Orb (Mew) 2005-2006 Battle Road Promo ($40,000) The Spring and Summer Battle Road competitions were a major source of rare and expensive promotional cards, in case you couldnt already tell
Firja, Judge of Valor Shepherds are Valkyries who lead the worthy dead to their rightful place in Starnheim
Players automatically go second and have a hand disadvantage at the start of a match
Nameless Inversion Nameless Inversion is really nice because not only is it not a creature, but its also removal
I think this is one of only two cards intially was misprinted, but as the rules changed the misprinted version turned out to be correct (the other would be Daring Apprentice from Mirage, that when printed accidentally missed the now unnecessary "Play this ability as an interrupt.")