X onto your bench as soon as possible so you can use its Poke-Body and when you put Giratina into your active Pokemon spot I would use Darkness Lost every turn so you can knock out many Pokemon at once, you will probably have to last 3 to 4 turns with Giratina out there to knock out most of your opponent's Pokemon and then they'll all have to go to the Lost Zone and they won't be able to them again in play
Below is the fire energy, but you can also get Fighting, Grass, Lightning, Psychic and Water holos too
Its also just a powerful creature in its own while its on the field
White/Black has very little access to good ramp spells or rituals, or artifact fetching, so for Orzhov it's mana rocks and tricks like this
My good friend Neal Fox was planning on attending this side event, so he reached out to me for ideas on what to play
a Common Hyperspace card, despite its rarity in relation to the standard Common variant, will still have a C, for example