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His mechanics are definitely eye-opening, but other than instructing you to track the countdown using his card art, they lie well within the range of constructed build-around wincon. Itll always take at least five spells to doom your opponent, and the odd rules templating around the countdown does at least stop abuse from Vampire Hexmage and the like

So it might not cost us much to theme this list but what are the gains for doing so

This is why buying graded cards is often the safer bet

It can boost you in mana by a substantial amount if you can cast another ramp spell using the Dynamo mana, and its better evaluated along the lines of the Expertise cycle, or as a ritual of sorts