Gamble With Your Life

At the beginning of each players upkeep, that player
rolls a d20.
1 | That player loses the game.
2 -3| Skip that players turn.
4 -14| That player draws a card then discards a card
at random.
15 -19| That player gains 3 life.
20| That player may cast spells from their hand
without paying their mana costs this turn.