The Deck of Many Things

萬象無常牌 (The Deck of Many Things) (zht)

Legendary Artifact (CMC 5)
, : Roll a d20 and subtract the number of cards in your hand. If the result is 0 or less, discard your hand.
1--9 | Return a card at random from your graveyard to your hand.
10--19 | Draw two cards.
20 | Put a creature card from any graveyard onto the battlefield under your control. When that creature dies, its owner loses the game.