Shahrazad and Sindbad — Unknown Event #RZ04g

Whenever Shahrazad and Sindbad deals combat damage to an opponent, if there haven't been any subgames this match, players play a Magic subgame using their libraries as their decks. Each player who doesn't win the subgame loses half their life, rounded up.

: Draw a card and reveal it. If it isn't a land card, discard it.