Blightcaster - mtg.wtf

2013-07-01 Blightcaster's ability will resolve before the enchantment spell that caused it to trigger.
2013-07-01 If you are the only player who controls a creature when Blightcaster's ability triggers, you must choose one as the target, although you can choose not to give it -2/-2.
2015-06-22 Blightcaster's ability will resolve before the enchantment spell that caused it to trigger.
2015-06-22 If you are the only player who controls a creature when Blightcaster's ability triggers, you must choose one of those creatures as the target, although you can choose to not give it -2/-2.

Card is in preconstructed decks:

mtg.wtf