```ruby
# Fix loyalty symbols from +1 to [+1] etc. so they can be displayed in a pretty way
class PatchLoyaltySymbol < Patch
  def call
    each_printing do |card|
      next unless (card["types"] || []).include?("Planeswalker")
      card["originalText"] = card["originalText"].gsub(%r[^([\+\-\−]?(?:\d+|X)):]) { "[#{$1}]:" } # hack to fix all planeswalkers showing up in is:errata
      card["text"] = card["text"].gsub(%r[^([\+\-\−]?(?:\d+|X)):]) { "[#{$1}]:" }
    end
  end
end
```

Fix PatchLoyaltySymbol for planeswalkers without originalText
user
```ruby
# Fix loyalty symbols from +1 to [+1] etc. so they can be displayed in a pretty way
class PatchLoyaltySymbol < Patch
  def call
    each_printing do |card|
      next unless (card["types"] || []).include?("Planeswalker")
      card["text"] = card["text"].gsub(%r[^([\+\-\−]?(?:\d+|X)):]) { "[#{$1}]:" }
      if card.key?("originalText")
        card["originalText"] = card["originalText"].gsub(%r[^([\+\-\−]?(?:\d+|X)):]) { "[#{$1}]:" } # hack to fix all planeswalkers showing up in is:errata
      end
    end
  end
end
```
assistant