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
#11: Solemn Simulacrum [mtg_card]Solemn Simulacrum[/mtg_card] doesnt excel in any particular category: its only a 2/2 creature, it only puts one land onto the battlefield, and it only draws one card when it dies
Staff of Compleation is tuned more for a lifegain-based deck, and works really well under those conditions
I run Draining Whelk in a bunch of my Commander decks for y'all, as one example, as well as Mystic Snake, Voracious Greatshark, and Overcharged Amalgam
This works beautifully with repeatable life sources like Dazzling Angel or Soul's Attendant