Robins is open to the idea, it seems: "It meshes really well with D&D feel and flavor, but if the right opportunity emerges, we might use it, or something similar, for another Magic set." Personally, I hope so Venture and Dungeons don't just feel like a great fit for a D&D crossover, but feel like brilliantly tricky new Magic mechanics in their own right
Richard understood that it was important to create a relationship between the vehicle and the creature who uses it, so in its original printing, there is text saying that if the creature dies, Flying Carpet is destroyed
Whenever Rolling Hamsphere attacks, create three 1/1 red Hamster creature tokens, then it deals X damage to any target, where X is the number of Hamsters you control
That doesn't mean there isn't a use for them in Goblin decks, but let's be honestdo you really want Spirit Shield to help for Spirit decks