So yeah, those were the three different types of unofficial cards that you might encounter, each with varying degrees of legality
For example, its not out of the ordinary for the deck to have at least a Nyx-Fleece Ram and a Courser of Kruphix on field by the time we play Archangel of Thune
This classic mana acceleration spell has been around since the beginning of the game
(Note that due to a printing issue, Special Guests cards appear in English in French, German, Italian, Spanish, and Portuguese Play Boosters.) Play Boosters Each Play Booster contains 14 Magic: The Gathering cards and 1 token/ad card, helper punch-out card, or art card
It has excellent baseline value and the foundations of a powerful card advantage engine
Between normal versions, scroll frames, ring frames, scene cards, and so on, there's no shortage of variants and alternate arts for these cards