The way to do this is by casting Darkblast in your upkeep to give a creature -1/-1, then dredge back the same Darkblast in your draw step, and finally cast it again on the same creature you initially targeted
While it doesnt have any fancy enter-the-battlefield effects, Griselbrand has the ability to pay seven life to draw seven cards
Its a cool idea, but one that isnt technically legal in any format outside of a Rule 0 discussion, which is really kind of a shame
I touched on it briefly before, but Dusknoir will knock itself out to deal 130 damage to one of your opponents Pokemon
He said he packed them himself, with buyers guaranteed to get a card that would be worth at least $50, and a chance to get cards worth more than what they paid
Its value mainly derives from its uniqueness and scarcity, and its undoubtedly one card that fans of the Straw Hat Pirates navigator are sure to covet