mtg first edition cards The Doctor (Showcase) - Universes Beyond: Doctor Who First Edition Magic The Gathering

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

Magnum the Reliever X LIGHT Level 8 [ FiendFusionEffect ] ATK 2800 DEF 2000 1 monster Special Summoned from the Extra Deck + 1 monster in the hand You can target 1 "Polymerization" Spell or "Fusion" Spell in your GY

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

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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