Aerith, Last of the Ancients : Mana: Green (Life), White (Light) and Blue (Water) Legendary creature -- Human Cleric Exalted Whenever one or more creatures deals combat damage to you, put a limit counter on Aerith, Last of the Ancients
In the games, trainers often choose Amaura for its unique typing and the strategic depth it adds to their teams, especially in environments conducive to exploiting its Ice-type moves
Some of the cards that have been released within the last few years are going for hundreds of dollars as well depending on the demand as well as their scarcity
(Spoilers: its Emrakul!) The standard Innistrad horror theme is elevated with more attention paid to the idea of mixing terror with the sublime, straight out of an 18th century novel
In short, acorn symbols provide a quick way to note which cards are not tournament-legal
You just dont need them and you should focus your attention on consistently getting five colors instead