A sneaky part of Thassa as a commander is that it can blink creatures you control but dont own
The unique selling point is rapid board expansion from minimal resources , ideal for players who enjoy swingy token turns
Many notoriously expensive MTG cards have experienced this, from Tarmogoyf to the ten shocklands, but their prices usually go down with reprints
Most modern booster boxes are easy to find, but many have already accumulated value since they went out of print, so it can be difficult to make money quickly on them
I have noticed that some Pokmon have the same name but different features (be it hit points, attacks or abilities)
When it comes to battling Darkrai, you can choose to use Pokmon which are lower than Level 50, but can use moves which Darkrai is weak against