The Deck of Many Things

{2}, {t}: Roll a d20 and subtract the number of cards in your hand. If the result is 0 or less, discard your hand.
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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.