This leads to self-mill and abusing your graveyard to win
So, if my opponent casts Damn targeting my [c]Charging Troll[/c], my creature will be destroyed
Cycling for 1 mana is much easier to squeeze in, especially on turn 1 if you have nothing else to do with your mana
Due to the nature of these promos, you will not find them at big box stores like Walmart, Target, and the like that carry value boosters
This would really only make sense if your Nissa had less than its starting loyalty, but you may as well wait until it has actually died and then cast the new one
Not only will that ensure every equipment in play is attached to something, but it's also a clever way to temporarily get the benefits of your opponents' equipment too, at least until that reattach them elsewhere