When this card transforms, if it has a rerun counter on it, this case is solved.
When Unexplained Doorway enters, you may sacrifice a creature. If you do, draw two cards.
To solve — At least two creature cards entered your graveyard from the battlefield this turn.
(If unsolved, solve at the beginning of your end step.)
Solved — Whenever a creature you control dies, each opponent loses 1 life
Next Episode
(Transform Unexplained Doorway. Then this card gains a rerun counter. Activate this ability only if Unexplained Doorway is solved)
See Stormrun Summit.