Which is definitely something intentional on the part of the card set designers, that's for sure
Art by Kaja Foglio
Their main use is in decks that are trying to cheat into play some imposing, game-ending threat, whether thats Blightsteel Colossus, Griselbrand, or Atraxa, Grand Unifier
Bomb is mostly used in the context of Limited, where its meaning overlaps with card thats valuable to draft due to game-changing power level
I think Decay will be hard to beat, but depending on the threats that gets played, this might be worth a slot (as it hits Karn and Urza among other things)
Magic: the Gathering - FINAL FANTASY Starter Kit includes: 2 pre-constructed decks, 2 deck storage boxes, 1 play guide, 4 double-sided tokens (2 each deck), 2 double-sided quick view cards (turns sequence/attack and blocks) for reference, and 2 unlocked codes for use with MTG Arena