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[C][C] Tail Rap: 20x damage

You can use it immediately as a removal spell, and many times, the activated ability will be relevant, especially against Commander staples like Swiftfoot Boots

1 Disenchanter

Yugi and Ta are transformed into the Dark Magician and Magician of Faith respectively, while the good Bakura is transformed into the spell card, Change of Heart

On the other hand, if your goal is to build the best madness deck possible, you'll probably be disappointed

What I do is keep all my Legacy staples in inner-sleeves and never remove them, only shuffling aroudn the outersleeves when reconfiguring/building new decks