Price of Progress typically deals around 6-10 damage for just two mana, and you can combo this with cards like Fireblast and Lightning Bolt to end the game in one turn
The value of X is calculated only once, as Bebop's last ability resolves
That up-front Adventure is just a bonus -- the real reward is outlasting the opponent with reanimation that draws from either graveyard, which is even better in "aristocrats" builds.
It was hard to stop, quick to come online and brutally effective

Magic: The Gathering FINAL FANTASY Set Mastery 21 Magic: The Gathering FINAL FANTASY packs 5 Mastery Orbs (redeemable for card styles or sleeves in the Magic: The Gathering FINAL FANTASY Mastery Emporium) Magic: The Gathering FINAL FANTASY Mastery Pass Avatars Cloud avatar Cards and Packs 20 Packs: 4 Magic: The Gathering FINAL FANTASY 4 Tarkir: Dragonstorm 4 Aetherdrift 4 Magic: The Gathering Foundations 4 Duskmourn: House of Horror 10 Magic: The Gathering FINAL FANTASY mythic rare individual card rewards (ICRs) Level 51+: 1 uncommon ICR Card Sleeves Cloud sleeve Sephiroth exquisite sleeve Card Styles 34 Mastery Orbs (redeemable for card styles or sleeves from the Magic: The Gathering FINAL FANTASY Emporium) 15 Common card styles 10 Uncommon card styles Event Tokens 1 Player Draft token (redeemable for a Premier or Traditional Draft entry) Gold and Gems 4,000 Gold 1,200 Gems Companions 3 Chocobo companions How Many Levels Are in the Magic: The Gathering FINAL FANTASY Set Mastery

In other words: usually zero , and you have 1/24 odds to find one (in which case it will replace a common from the main set)