You would have to add cards like Reshiram or Bouffalant or some other non- EX and that would just completely ruin the consistency of the deck
Dance of the Dead I first picked up this card as a budget alternative to Animate Dead years ago
However, I do think adding the huge upside against Green permanents in a big deal, as when you go against a Green deck this will feel like a 4.0
You will have various types of removal, perhaps mass removal, creature removal, countermagic and non-creature removal or something
Your deck is like your army, your arsenal, and your spellbook all wound up into one
If your main goal is to build a collection to play Historic, it will be wise to pick packs that offer the cards you want for constructed