Nahiri, the Harbinger Nahiri, the Harbingers ultimate effect is hard to pull off, needing at least two turns of uninterrupted upticks before you can activate it
To play a Trainer, just put it into play from your hand and follow the instructions, even if they contradict rules, such as allowing an Asleep Pokmon to retreat
If you cast Eelectrocute from your graveyard, you still pay its costs
For example, Tor Wauki the Younger wont increase the life lost from a Bump in the Night
I wouldnt play it without significant graveyard synergies, but it shines in the right deck
Usually you'd use this to protect yourself from your opponent't big push, leaving them tapped out, but you can also use it to ensure that Roxanne will survive being blocked if your opponent buffs the Raging Goblin you thought you could safely swing into