shark deck yugioh | Yu-Gi-Oh! Wiki Vice Shark: A New Level

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

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

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

Staff of Compleation is tuned more for a lifegain-based deck, and works really well under those conditions

Looks cool though