There is a place and a time for those discussions, and its on Jack Twitters Bad Bird Site
The real cost for playing these as an aggressive player is higher than one mana, more likely two or three damage that you don't get to do as well
That said, the monstrous effect comes from Tibalts static ability that lets you play cards exiled with it, making it a threat in late game scenarios
If you exile any token, including Blood tokens, they cease to exist and cant return to the battlefield
Disney Lorcana cards each have types based on the origin of the character pictured, and their role in the story - these are varied but include descriptors such as Storyborn, Princess, Ally, and so on