I pay (2)(B) to activate the Izzet Guildmage's ability to copy a 'target instant spell.'
Traditionally, the letter 'U' is used for blue and 'B' for black, so you actually paid 2U (or ).
«Dystocracy : A system of government in which corrupt leadership colludes with dishonest bankers and greedy elites in order to ensure that productive members of society –people who actually do useful work- bear the greatest share of taxes while gaining the least benefit possible.»
yes, everything you stated is correct, with the exception of the copied card with the guildmage , and to be honest i agree with your statement that izzet > golgari :P
izzet can especially be confusing at times, try have the situation you stated with a guttersnipe , sphinx-bone wand , and more creatures like kiln fiend . there's a lot to keep track of
"so let's set the world on fiiiiire...we can burn brighter...than the suuuuun." = best color ever. period.