It isn't a token unless it already was one
With extra land drops and knowledge of the top of your library you are not only making a lot of extra land each turn but almost always drawing action each turn as well
Devour for Power Devour for Power Nearly nine years before Mutate would come into Magic and find all kinds of weird ways to combine creature, The Mimeoplasm came to play
The Lost Caverns of Ixalan Product Overview The Lost Caverns of Ixalan Draft Boosters The Lost Caverns of Ixalan Draft Boosters each include the following: 1 Rare or mythic rare 1 Double-faced common or uncommon 3 Uncommons 9 Commons* 1 Land Non-Basic Cave 70% of the time Core full-art basic land 30% of the time *1 Traditional foil card of any rarity replaces a common in 33% of Draft Boosters
EDIT: It was quickly pointed out to me after the article/video was released that a better comparison to Mangara is Kraum, Ludevic's Opus, which share the most important trigger
Yshtola is easily one of the coolest Final Fantasy MTG cards, as it allows for a great level of control, without becoming too much of an obvious threat