Deck of Many Things

When Deck of Many Things enters the battlefield, exile Renga, the Assassin.
{t}: Sacrifice Deck of Many Things. Exile the top card of your library, then roll a d20.
1-5: Lose 5 life.
6-10: Discard your hand, then draw 3 cards.
11-15: Gain 5 life and draw a card.
16-19: Create a 4/4 colorless Golem artifact creature token.
20: Chose a card from the library and put in the battlefield.