Innocent Traveler
Creature — Human
At the beginning of your upkeep, any opponent may sacrifice a creature of their choice. If no one does, transform this creature.
I looked at her throat just now as she lay asleep, and the tiny wounds seem not to have healed.
Malicious Invader
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Creature — VampireFlying
This creature gets +2/+0 as long as an opponent controls a Human.
Van Helsing raised his lantern and drew the slide; by the concentrated light that fell on Lucy's face we could see that the lips were crimson with fresh blood.
Igor Kieryluk
Innistrad: Crimson Vow (VOW)
• #336Rulings
When Innocent Traveler's ability resolves, the next opponent in turn order chooses whether they want to sacrifice a creature at all and which creature to sacrifice if so, then each other opponent in turn order does the same, knowing the choices made before them. Then all the chosen creatures are sacrificed at the same time. If no creatures are sacrificed this way, Innocent Traveler is transformed.
(wotc • 2021-11-19)
Rulings
When Innocent Traveler's ability resolves, the next opponent in turn order chooses whether they want to sacrifice a creature at all and which creature to sacrifice if so, then each other opponent in turn order does the same, knowing the choices made before them. Then all the chosen creatures are sacrificed at the same time. If no creatures are sacrificed this way, Innocent Traveler is transformed.
(wotc • 2021-11-19)