Individually they are all worth around $600 and would love to sell them altogether preferably but will separate them as well close to market price
Smaller groups can still have a good night, especially with 4 or 6 players, but the draft experience becomes more varied with more players at the table
While its less true than it used to be (thanks to FIRE design, cards designed for Best of 1, and increased modality/card draw in general), its still a key part of gameplay and it feels like what this mechanic, and in particular, gifting a card, was designed around
While the four-mana cost might seem expensive at start, this card is mostly aimed at playing into the later stages of the game when you already have a board
With Mewtwo EX being such a popular card, Koga decks are definitely worth considering