Vegas

{t}: Throw a 6 sided dice, based on the result:
1- sacrifice a land.
2- add {1} to your mana pool.
3- add {u/r} to your mana pool.
4- add {2} to your mana pool.
5- add {u/r}{u/r} to your mana pool.
6- add {u/r}{u/r}{u/r} to your mana pool.