Although you have little control over when Mangara will trigger than the others mentioned here, both of these triggering criteria are nevertheless incredibly common in Commander games, all but ensuring a reliable, repeatable card draw effect in White
If anything, it's a little more special to me
Below, we take a look at several cards that have recently seen significant price increases
Given the lack of momentum, this seems likely to be the card's range for the foreseeable future
But I really do not believe or expect it to grow like Pokemon has, to me its simply more niche overall and just not as popular in the West as Pokemon is/was it seems, theyre simply in different leagues overall at this point in time
A 3/3 Lifelinker for three is already respectable, but what makes Shanna really scary is that every bit of life gain can be turned into cards at the end of the turn