The benefit of these cards is that if you attack with Uxie () or Shuppet (), they can be reused again
After you roll a die, you may remove a +1/+1 counter from Xenosquirrels
UR Ultra Rare (Duelist Saga Version) Tour Guide From the Underworld X DARK Level 3 [ FiendEffect ] ATK 1000 DEF 600 When this card is Normal Summoned: You can Special Summon 1 Level 3 Fiend monster from your hand or Deck, but negate its effects, also it cannot be used as Synchro Material
The moral take-away here is that anything is possible with the very amiable Weatherlight crew
On the other hand, counterfeit cards are designed to be as realistic as possible to fool people into thinking they are real, so while all counterfeit cards are technically proxies, not all proxies are counterfeit cards
Card Text Cannot be Normal Summoned/Set