Eternalize is an activated ability that functions while the card with eternalize is in a graveyard. “Eternalize [cost]” means “[Cost], Exile this card from your graveyard: Create a token that’s a copy of this card, except it’s black, it’s 4/4, it has no mana cost, and it’s a Zombie in addition to its other types. Activate only as a sorcery.”
May 3, 2019 · War of the Spark
Afflict is a triggered ability. “Afflict N” means “Whenever this creature becomes blocked, defending player loses N life.”
January 25, 2019 · Ravnica Allegiance
Afflict is a triggered ability. "Afflict N" means "Whenever this creature becomes blocked, defending player loses N life."
July 8, 2017 · Hour of Devastation
Afflict is a triggered ability. “Afflict N” means “Whenever this creature becomes blocked, defending player loses N life.”