1999 articuno pokemon card value Rocket's ex 96/109 - Team Rocket Returns Holofoil choose 1 of the Defending Pokemon Buy ARTICUNO - 2/62 -

It is not uncommon to stumble upon old collections forgotten at the bottom of a box

Also, Rancor may be attached to a creature with Shroud or Hexproof because the Rancor permanent doesnt target anything (if this sounds like a revelation to you, I feel obliged to send you to read the article on auras one more time)

They range from "completely serious" to "inside joke that some people may not get or understand", so if you're confused about what the card is referencing, reach out to your fellow players and ask

1 Extract from Darkness

There is also the more ambiguous eye appeal that is factored in on top of that in many cases

Sheiks design took a long time to create