If you get 1-14, you create a tapped and attacking token of that Creature, except its not legendary, and you have to exile it at the end of combat., If you get 15-20, you get to do that, but then roll again
It is a simple design and very clean
If they say, "Go fish!" draw a new card and end your turn
A Last Gasp, a Negate, a Boomerange and the ability to kill a planeswalker
Barret, Avalanche Leader* Much better than Barrett from the main set, Final Fantasy 7 Commander Deck Barrett, Avalanche Leader provides a solid body that creates tokens for your equipment, and provides a limited, but completely free attaching method each turn
Its commonly used together with Sensei's Divining Top so that you can draw the card you just tutored