While the exact contents can change from set to set, you can typically expect: Multiple rares or mythic rares (often more than five) A large portion of foil cards (usually around a dozen or more) Special frame treatments like borderless planeswalkers or alternate showcase designs Sometimes exclusive cards or art variants that you wont see in Draft or Set Boosters In sets like Ikoria: Lair of Behemoths, for instance, Collector Boosters featured those Godzilla-themed cards that were impossible to find elsewhere
A: It's kind of a weird thing to give up, to be honest, but if you're familiar with the old card Rock Jockey, it'll help
Lorcana has 6 different Ink colors, and the cards in your deck can come from 1 or 2 of these Inks
Plus, its not hard to add a land to your deck, so Jidoor will see plenty of play in mill decks
Sorcery Color tag templates(None) Discard (CTRL to add secondary) Vampire Spawn When this creature enters, each opponent loses 2 life and you gain 2 life