Test going off with Maze's End in DGM draft

#!/usr/bin/python
from fractions import Fraction
import random


def trial():
    havegate = [False]*10

    # The other DGM boosters (we're assuming you get Maze's end P1P1)
    for i in xrange(7):
        if random.randrange(121) >= 6:  # Don't get a shock or another Maze
            havegate[random.randrange(10)] = True

    # The GTC and RTR boosters
    for setnum in (0, 1):
        commons = [None]*96 + range(setnum*5, setnum*5 + 5)
        for i in xrange(8):
            random.shuffle(commons)
            if random.randrange(56) >= 15:  # No foil card
                for c in commons[:10]:
                    if c is not None:
                        havegate[c] = True
            else:
                for c in commons[:9]:
                    if c is not None:
                        havegate[c] = True
                if random.randrange(15) < 10:  # Foil card is common
                    # rerandomise, don't just take commons[9]
                    # as we can have repeats with foils
                    c = random.choice(commons)
                    if c is not None:
                        havegate[c] = True
    return havegate


def manytrials(n=1000):
    cnt = 0
    for i in xrange(n):
        if all(trial()):
            cnt += 1
    return Fraction(cnt, n)

if __name__ == "__main__":
    result = manytrials(1000000)
    print result
    print float(result)