It is slow but it helps as you also stack up a wildcard counter with every pack, which you can exchange for cards as soon as you unlocked a wildcard
Umbreon Star: PROMO[026/PLAY](Players Experience Points 70,000 EXP Present Card) Retail US$ Team Skull Pikachu: PROMO[SM-P 013](Special BOX "Member Pretend Pikachu") Retail US$ Delinquent[XY-BEST 184/171](High Class Pack "The Best of XY") Retail US$ Elemental HERO Flare Neos UL[POTD-JP032](POWER OF THE DUELIST) Retail US$ Stardust Dragon HR[TDGS-JP040](THE DUELIST GENESIS) Retail US$ The TCG market is in a perpetual state of flux
That said, Rampaging Ferocidon is now just another three-drop in a sea of good red three-drops, and you could just as easily end up wanting Goblin Rabblemaster, Goblin Chainwhirler, or no three-drops at all depending on how you build your red decks
If youre thinking that Jund is the way to go, Ziatora, the Incinerator would be a respectable pick
(They cant be blocked except by two or more creatures.) When a species becomes so dominant that no other can compete, evolution gets creative