In Magic "shorthand," letters often refer to mana symbols. For example, if a person says "R," he often means . Similarly, "XWB" really means .
I guess someone forgot to tell that to the people that typeset Alpha. Look at the two cards below – Phantasmal Forces and Force of Nature. See anything weird in the text boxes?
I know Forests tap for , but what taps for "G"? As with most errors in Alpha, these were fixed in Beta.
Oh, and artist Douglas Shuler's name is misspelled on the Force.