Anowon, the Ruin Sage

Rulings oficiales · 2

wotc · 2010-03-01
When the triggered ability resolves, first you choose which creature you'll sacrifice (if you control any non-Vampire creatures), then each other player in turn order does the same, then all chosen creatures are sacrificed at the same time.
wotc · 2010-03-01
If a player controls no creatures, or if all creatures a player controls are Vampires, that player simply doesn't sacrifice anything.