Sometimes it isn't
That in itself is bad enough, but there are plenty of Decks that can rely entirely on their Normal Summon
Chris has been one of top voices for Phoenix Wing Wind Blast over Raigeki Break, one of Yu-gi-oh hottest debates
If this card does end up on the board, it can equip an opposing monster if it gets destroyed
What consistitutes a skill test on a Spell card for the purposes of cards like Spirit Athame ( A skill test on a card is any ability that directly prompts a skill test, either through the template test skill (X), or by initiating an action that is, in itself, a skill test (for example, any card with Fight, Evade, or Investigate action designators)
Even if those two things are foolproof safeguardssomething I doubtpeople would have a hard time believing that if their collections all go to zero