Unfortunately, Ghalta doesn't provide any value upon immediately hitting the battlefield, so you'll probably want to have some kind of removal protection or method of giving the Dinosaur haste to ensure casting the card is worthwhile
The Arcane Signet from the Mystery Booster 2 set, a special set dedicated to mixing up Chaos Drafts and celebrating unique design choices that Wizards of the Coast cant reproduce in regular sets, or isnt quite ready to branch out to
#13 Wintermoon Mesa (Prophecy) Why is it bad
You can change things up around the edges by being more aggressive or more controlling and maybe adding a reanimation package, but it's hard to build a completely different style of Dragon deck
Authentic cards will have a well-defined, consistent texture, while fakes may feel smooth or have an uneven, inconsistent texture