It was the most popular creature type in Ixalan block and the one we knew players have requested typal rewards for most, so we made it a big part of the red-green draft archetype for the set
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
Una programmazione completa del ciclo produttivo permette di avere una gamma permanente di prodotti
Here's one instance where they absolutely did (as well as Chandelure, Zoroark, and Serperior)

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