fixed spelling

wiki/games/magic:_the_gathering.md

@@ -66,7 +66,7 @@ format.
 
 - [Tapped Out](https://tappedout.net/) is a website that among other things can suggest decks based
   on owned cards.
-- [MTGGOLDFISH](https://www.mtggoldfish.com/) is a website for different topics regarding MTG.
+- [MTGGoldFish](https://www.mtggoldfish.com/) is a website for different topics regarding MTG.
   It features various decks including budget variants of it.
   Additionally it lists tournaments with decks played which can be a useful resource to understand
   the metagame.
@@ -79,9 +79,12 @@ The following websites provide useful information on cards or rulings of MTG.
   hyperlinked HTML-version of MTG rules.
 - [Scryfall](https://scryfall.com/) is a website to search and display Magic cards in specific
   printings.
-  This site can be used to check for cards that create tokens.
+  Scryfall can query advanced patterns using
+  [their specific syntax](https://scryfall.com/docs/syntax).
+  Among others this site can be used to check for cards that create tokens.
   An example for this is running a search with the term `o:create o:golem` to find cards that
   create a golem token.
+  For other advan
 - [What's in Standard?](https://whatsinstandard.com/) lists the sets that are currently legal in
   the standard format.
 - [Magic Judges](https://chat.magicjudges.org/mtgrules/) is a live chat with judges to clarify the
@@ -194,6 +197,8 @@ Sometimes it can be useful to increase the mana color of cards that are needed v
 game to ensure they can be played.
 In non-mono decks double lands are useful but their restrictions they come with should be noted.
 Approximately 1/3 of a deck should be reserved for land cards.
+A guide for a budget mana base in the modern format was written by
+[SaffronOlive on MTGGoldFish](https://www.mtggoldfish.com/articles/brewer-s-minute-building-a-budget-mana-base-in-modern).
 
 ### Tipps on Building a Modern, Pauper or Standard Deck