As such, cards that are free to equip are just as important as Nadu itself, so you have a consistent trigger for it
This card is going to be hard for opponents to get rid of with challenges, so the key is being prepared for possible actions or songs an opponent might use to banish it without challenging
For example, if you control a creature and your opponent targets it with a Doom Blade, you could sacrifice it to an outlet like Carrion Feeder after Doom Blade hits the stack but before it resolves
Ugin, Eye of the Storms Ugin, Eye of the Storms has one of the strongest triggered abilities printed on a planeswalker to date because it includes a cast trigger
Pillar Analysis: Iconic Art & History, Scarcity (Arabian Nights, Reserved List), Collector Demand