This percentage shows your percentage as a player, that is, if you are in Mythic 85%, it means that you are ahead of 85% of players who are also in Mythic
If I were to build the deck from scratch, I would instinctively go for small critters and mana-ability-reduction to flood the board with cannon fodder
I started a few years back, deciding to collect one card for every pokmon
The 3 mana cost for it and the tokens generating mana your typical Red deck won't make good use of makes this feel like a bit of a dud to me
I don't really know if it's command-zone worthy to build around, but in decks that want to reuse some Overrun effects or Elf decks that have some room to play with, I can see him making a big swing
Once again, box toppers in Double Masters (and VIP boosters) come in two rarities: rare and mythic, with rares showing up twice as often as mythics