Several factors influence Fusion Strike card values: card condition (mint cards worth 3-5x more), rarity (holographic and rare cards command higher prices), first edition status, PSA/BGS grading scores, and market demand for specific Pokemon
People dont often trade bulk, but that doesnt mean its destined to gather dust in your closet
Ill bet theres a few cards youd have on your lists that maybe no one else would
As you can see it is nearly gone with no moisture used
To prevent this, the Cascade rules errata from 2021 now says "you may cast that spell without paying its mana cost if its mana value is less than this spell's mana value"
They don't copy whether that permanent is tapped or untapped, whether it has any counters on it or Auras attached to it, or any non-copy effects that have changed its power, toughness, types, color, and so on