Method: FetchLandCard#mana_source

Defined in:
lib/manasimu/card/fetchland.rb

#mana_source ⇒ Object

Raises:

  • (Exception) 


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# File 'lib/manasimu/card/fetchland.rb', line 39

def mana_source
  raise Exception.new('you should resolve first') if not @fetch_source
  @fetch_source
end