While an opponent is choosing targets as part of casting a spell they control or activating an ability they control, that player must choose at least one Flagbearer on the battlefield if able.
Enchant creature
: Untap enchanted creature.
: Enchanted creature gains flying until end of turn.
: Enchanted creature gains shroud until end of turn. (It can't be the target of spells or abilities.)
: Enchanted creature gets +1/-1 or -1/+1 until end of turn.
