No one knows the exact number of 1st Edition cards, but it's been estimated that less 10,000 of each card was produced
I would actually stick with Heavy Bone most of the time, unless you flipped a tail and were forced to you Bone Rush
Verify your account and payment method status before claiming any bonus
Hyper Rares in Destined Rivals were, according to TCGPlayer's tests, found in 1 in 149 packs - still hard to find, but not as ridiculous as the gold forms of Mega Lucario or Gardevoir
Being able to reduce or remove Retreat Cost can make switching out cards much easier during a match, and only having to use 3 Lightning Energy to pull off a multi-attack like Multishot Lightning is unreal
Kokusho is huge as a 5/5 flier for 4BB, and when it dies, each opponent loses 5 life, and Kokusho's controller gains life equal to the total life lost