Here's one instance where they absolutely did (as well as Chandelure, Zoroark, and Serperior)
Did we need it
Una programmazione completa del ciclo produttivo permette di avere una gamma permanente di prodotti
Its power lies in its flexibility
However, when Urzas Saga came along, The Abyss got a major upgrade, thanks to the printing of what was once considered the best creature in Magic: Morphlings untargetable ability meant it could survive a The Abyss indefinitely, while also jumping over Moats from time to time

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