If you have children that are nearing a prime Pokemon age, it could be a great way to introduce them to something you were into when you were younger
A modern buyer needs to know whether the set has a durable reason to exist, whether the sealed price is moving, whether the top cards justify opening, and how the Japanese box compares with English or adjacent Japanese sets
Commanders Plate and War Room are fantastic cards to include in any mono-color deck
For just general value copying it seems underwhelming by the time you cast it, and have the 2 mana ready to copy the effect
This is best for when opponents are attacking you, but you can also pay only black mana to cast it when an opponent is being attacked
It obliterates monsters on both sides of the field, rendering your adversary completely vulnerable to attack and unable to defend himself