Herald's Horn reduces the cost of all Dinosaurs, and Progenitor's Icon provides yet more mana and the added bonus of Dinos with flash
You do need to be worried about Goblin Chainwhirler and Plague Mare when building a deck around Thopter tokens, but I think the payoffs will be worth the trouble
Both Scrooge McDuck, Uncle Moneybags and Scrooge McDuck, Richest Duck in the World can help you play items for a discount or even for free, and if your opponent manages to destroy it, Gyro Gearloose, Gadget Expert can let you put it back on top of your deck to be played again
Fake buyers might also ask for extra photos, then claim your card is damaged after delivery to force a refund
However, a Charizard V does away with these restrictions, and doesn't need Charmander or Charmeleon in order to be played