13 Jul 2016
You'll exile Eternal Scourge even if the spell or ability that targets it is countered.
13 Jul 2016
You must follow the normal timing permissions and restrictions and pay its cost to cast Eternal Scourge from exile.
13 Jul 2016
Eternal Scourge's triggered ability only triggers while it's on the battlefield. For example, Convolute cast targeting Eternal Scourge won't cause its ability to trigger.