Every deck needs some way to interact with what your opponents are doing, and this deck full of small attackers is no different
A x2 weakness to dark Pokemon isn't too bad because dark Pokemon aren't really used that much, a -20 resistance to Normal type Pokemon can come in handy because a lot of quick start Pokemon in decks are normal type and basic so a -20 resistance will make them not be able to do any damage to Giratina at all
It does, however, ask that you have a creature on the battlefield, where spells like Animate Dead, Reanimate, Exhume, and Unburial Rites do not
Great Poseidon Beetle X EARTH Level 7 [ InsectEffect ] ATK 2500 DEF 2300 If this card targets an opponent's face-up Attack Position monster for an attack, and that monster is not destroyed by the battle, this card can attack the same monster again in a row
Cube Sealed is coming to Arena, with Wizards mentioned theyre looking at implementing Cube Draft (which means 8-person pod drafting needs to come to the client!) in their March state of the game