It functions virtually the same as Imprint, but doesn't directly use the Imprint keyword
One of the best ways to prove a card is the first one you drew is to keep it separate from your hand , either put your hand down or keep the card near your library
Primal Might's easy to understand, sufficiently powerful, and has a Dinosaur in the art
Im assuming they were printed on separate sheets
If the spell that's copied has an X whose value was determined as it was cast (like Rolling Thunder does), the copies have the same value of X
I do want to note a unique interaction red has with the life gain theme, which is that its big damage-dealing spells can be granted lifelink by either Judith, Carnage Connoisseur or Firesong and Sunspeaker if you want to get absolutely weird with it