Player Card: Ansem LVL10 or Dark Riku LVL3 (your call.)
Heartless:
X3 Bouncy Wilds LVL1
X3 Black Fungus LVL1
X2 Soldier/Gigant Shadow LVL1
X3 Power Wild LVL2
X3 Air Soldier LVL2
X3 Barrel Spider LVL3
X3 Large Body LVL3
X3 Rare Truffle LVL4/Angel Star LVL4
X2 Stealth Sneaks LVL4
X1 Screw Driver LVL4
X2 AquaTanks LVL5
X1/X2 Behemoth LVL5
X3 Crescendos LVL5
X3 Pirate LVL6
X3 DarkBall LVL6
X2 Wizard LVL7
X2 Parasite Cage LVL7
X1 Oogiie Boogie LVL8
KeyBlades(If using Dark Riku):
X1 Olympia
X3 Soul Eater (If you can get them.)
X1 Oblivion
World Cards:
X2 Wonderland LVL3
I Tried making a Heartless Aggro Deck with Cards that is pretty easy to get, or that's pretty cheap. Rate and comment appreciated!