Treasure Chest

{4}, Sacrifice Treasure Chest: Roll a d20.
1 | Trapped!— You lose 3 life.
2-9 | Lost 1 life and draw 1 card.
10-19 | You gain 3 life and draw three cards.
20 | Search your library for a card. If it's an artifact card, you may put it onto the battlefield. Otherwise, put that card into
your hand. Then shuffle.