Connecting Cave Zubat Roost

({t} add {b})
{2}{p/b}{p/b}{p/b}{p/b}{p/b}{p/b}{p/b}{p/b},{t}: roll a six-sided die,
then roll a number of 20 sided dice equal to the result, then add the results from the 20
sided dice together and create a number of
1/1 Zubat creature tokens with flying equal
to the result For each 13 rolled this way instead
make a shiny Zubat token with flying.