If you dont have a way to stop or interrupt one of those three things, youre probably going to lose against this deck
It being an instant is huge, because you can just whip it out whenever its opportune - even if its when theyre attacking you with it
These cards often take time to set up in a match, but the payoff is immense, which makes it worth it for these decks to take the time they require to set up
However, you can only attack a player (or planeswalker)
Still, a zero-mana artifact is nothing to sneeze at, even if you can't use it to produce mana
Please note that you must do this in the right Country, else you will register your KONAMI ID to a different country and will be unable to change it