Dragon Duel National Champions will only be able to participate in one event (Dragon Duel Championship or WCQ), selection may be made up until the close of registration to the WCQ they have qualified for
Otherwise, Skill Drain can work really well in decks like Dark World that activate most of their effects from the graveyard
Staff of Compleation is tuned more for a lifegain-based deck, and works really well under those conditions
It doesnt say the address where the company is manufacturing them but it clearly states it is in Morrisville, NC
Card 1 126+1 card types *This product also includes alternative art and parallel design cards from the above types
While this card is face-up on the field, you can Normal Summon it to have it be treated as an Effect Monster with this effect: Once per turn, you can select 1 face-up Level 4 or lower DARK monster you control