As always, the art and rarity of each bonus card will likely have a major effect on the cards price tag
It doesn't copy whether that creature is tapped or untapped, whether it has any counters on it or Auras and Equipment attached to it, or any non-copy effects that have changed its types, color, or so on
Getting protection from everything is definitely one of the better things you can do at instant speed, but when you can do it all, Reclamation SageReclamation Sage becomes a two-for-one, Hammer of NazahnHammer of Nazahn is a combat trick that leads to more combat tricks, The Meathook MassacreThe Meathook Massacre is a catered board wipe you can engineer into a combat step, Narset, Parter of VeilsNarset, Parter of Veils is even meaner than usual, and you can cast your Treasure CruiseTreasure Cruise instead of losing it the next time you put a Wheel of FortuneWheel of Fortune on the stack (actually you need to do that in the reverse order)
Exiling target permanent for free as an emergency button can save you at the 11 th hour and seeing this (and the rest of the cycle) printed at rare is fantastic
Glorfindel can't be blocked by more than one creature each combat this turn
