Its true
I don't believe it saw much, if any, Constructed play at the time (I may be wrong on this, but can't seem to find anything from researching online), but the card was considered quite powerful stat-wise and featured some keywords not commonly found on Green cards
Player fives managed to go 8-1 in two back-to-back events with the same decklist: Azorius Control The top control deck of the format is seeing an uptick in its play rate in the last couple of months, despite Unholy Annex seeing more play, which needs war-61-narset-parter-of-veils to effectively answer
Mathemagics I did a guess and check to find that if you have the mana to get X to at least 2, Mathemagics draws more than Blue Sun's Zenith
The two Into the Inklands Starter Decks have their own unique foil cards, with each deck focusing on two of the Disney Lorcana 's Ink types
If there is no scan or photo showing the back of the card, that card has a standard english back