Every time you cast a Vampire spell, he creates a 1/1 Vampire token even from the command zone, without needing to be on the battlefield
Official tournaments in English-speaking regions require English versions, making Japanese cards unsuitable for sanctioned play
If you pull it off with a Black Lotus on your first turn, I think you should automatically win the event
Because the T206 set was issued over 100 years ago, there is a strong likelihood that the highest overall condition of a card from that era only merits a PSA/BGS 2 or 3
Please note that there may be a discrepancy between the shipping notice and the postmark date and time
The problem is that you have to have Chainer on the battlefield when those creatures enter, so while that whole line is nicely techy, there are probably easier ways to give them haste, like Urabrask the Hidden