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
This classic, overpowered Oko card is among the strongest reprints featured in the set, and the textured foil variant is some phenomenal new art for a suitably feared card
The choice of planes includes Norn's Dominion because thats too ridiculous to ignore, some wacky phenomenon cards (we can have two of them), and planes that benefit from having small creatures, Naya creatures, or tribal interaction
Knuckles has one more important ability: At the beginning of your upkeep, if you control at least 30 artifacts, you win immediately
JPN secondary market (SNKRDUNK, Card Rush, major retailers)
Imagine playing mill against a deck focused on delirium