With that being said, I definitely wouldn't base a deck around Yveltal alone because if you're aren't extremely lucky, this card isn't going to average more than 50 damage a turn, but this card could definitely be used in a deck but I wouldn't use more than 2
I think this also gives us a slight hint that as the time is passing more and more of cards like this will end up getting graded regardless of their condition, so raw copies will become more and more not available throughout the globe
Black can also get mana but usually requires paying some cost, most often sacrificing something else
On June 13th, over 300 sales went through, many of which were purchased for under $15
They have similar restrictions to Pillar of Origins that make them less effective in gameplay than they might seem, but they're still great fixing for multicolor decks
Worst case scenario this is a Skullcrack which is a fine burn card