I see at least four, in fact: Let's Play a Game, Saw, The Lord of Pain, and Trial of Agony
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Apart from Coruscation Mage, which is super similar but a Bloomburrow Otter Wizard rather than a Final Fantasy black mage Wizard, we have a bunch of cards that not only make Wizard tokens but also are noncreature spells, so when we cast them, they'll trigger any of the black mage Wizards we already have on the battlefield
These effects are scattered throughout red and black, with notable variations including Mayhem Devil (which works really well with Treasure), Ninja Teen (its nice since it survives most board wipes), and Vein Ripper (the biggest variant, both in creature size and damage dealt)