Use the second effect of Trickstar Light Stage intelligently it may be better, in some cases, to force the activation of a known trap like Altergeist Manifestation at a time when its less beneficial to your opponent than hitting a dead game one trap like Rivalry of Warlords
Humans are really good in these colours, obviously, and there are a lot of cheap flash ones that you can use to reuse spells in your bin
But whereas the variable nature of the post-mill creature card count might cause that removal spell to miss, Grave Strength is a lot more forgiving and has a bigger upside
I would try Radar Toys, then eBay to save your money, and then shop this place if you cannot find what your looking for
Most powerful Lorcana Cards When you think of the strongest Disney characters, chances are your mind goes to the likes of Hercules or Mulan, and not the lovable canine Goofy