It doesn't copy whether that artifact is tapped or untapped, whether it has any counters on it or Auras attached to it, or any non-copy effects that have changed its types, color, or so on
"Mistake" can stop "Fire Formation - Tenki", "Yosenju Kama 3", "Yosenju Oyam" and "Yosen Training Grounds", but "Yosenju Kama 1" can easily bounce them, so these opposing cards may be only a temporary, situational threat
Thats a lot of well-wishing for a City Pigeon, though
Do you run extra exile effects / graveyard hate to counter them
5 Gyarados Best Card For Discarding Energy Stage : 1 HP : 150 Evolves from : Magikarp Gyarados may be an expensive card, requiring four points of Water Energy to deal 100 damage, but at the same time, it also discards an active energy point from an opponent
This unique attack allowed you to discard one of your prize cards and attach it to one of your Pokmon if it happened to be an energy card, which counted towards taking your prize cards to win the game