The Long Reach of Night
"The Long Reach of Night" does not make any effects at all.
It makes no effects when entered the battle field and upkeep.

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[Deleted User] commented
Probably a Vorinclex, Monstrous Raider or Solemnity on the field, that was removed. Either card stops the lore counters on the saga, so it doesn't go up to even chapter 1.
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wfro#09366 commented
The Long Reach of Night just did nothing for three (?) turns then triggered for the first time.
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Agentweasel#80443 commented
I just did something similar to this, though from the other end (being the player it was targeting). What happened to me was that I had no creatures on the field; The Long Reach Of Night gave me the options "discard a card" and "decline". I clicked "decline" and didn't sacrifice anything because I didn't have anything to sacrifice.
I don't know if this is how the card is supposed to work. It seems like it's against the spirit of the card, but the wording could allow for it? Compared to a wording like "opponent discards a card or sacrifices a creature". It strikes me as the kind of shenanigan that wouldn't fly at an IRL game though.
Log of the game session where it happened attached for if that's useful to anyone.
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[Deleted User] commented
Was Vorinclex in play?