mtg first edition cards The Doctor (Showcase) - Universes Beyond: Doctor Who MTG Conspiracy's First Strike Blaze

Having separate decks for Raid Duels and Ranked Duels is an excellent idea since the two modes work on very different mechanics

However, like Clarion Ultimatum, it requires a permanent, or more precisely a creature, on the battlefield, and is not often used in that it has no effect on its own

You may find eBay is full of these cards, but its risky

This is a trend that continued for much of Magics existence until Khans of Tarkirwhile Magic got better at telling stories via cards themselves over this period (which well cover in more depth), to know even the major story beats or details about major characters, you needed to read a book or short story and not play with Magic cards