Dark Alakazam's Teleport Blast attack was powerful for its era, and the card saw real tournament play from players who appreciated its combination of damage output and the disruption potential of its other attacks
(Put the top card of your Attraction deck onto the battlefield.) Everyone comments on the buttons, but few appreciate the pedals
Jaces plus ability has any player mill two cards and then you draw one, accelerating your win condition by three cards if you target yourself
Use the cards you drew to play even more "OP12-056 Monkey.D.Garp" and "OP12-044 Sakazuki" cards, and use their combined power to overwhelm your opponent.
One key removal or boardwipe can effectively shut you out of the game, as your deck requires so many pieces to function
Grizzly Ghoul I pretty much only want to use Grizzly Ghoul in a deck where I can chain an infinite combo (Ruthless Ripper, for example), cast this zombie bear to gain infinite +1/+1 counters, then fling it at an opponent