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Wizards has found better outlets from those kinds of things in black-bordered sets like Commander products or the forever-referenced Conspiracy sets

Thus, Disney Lorcana is trying to bridge the gap between the good cards of these two and form a strong deck

So naturally, the question I had was

The most recent are the mechanics present in Alchemy sets on MTG Arena

Wizards of the Coast took a technique used in its Japanese trading card game Duel Masters and printed text on both sides of the card to represent people transforming into monsters and back again (something that happens alarmingly regularly in Innistrad)