Rebellion Flagbearer

Enchant Creature
Enchanted Creature gains the Flagbearer type.
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.
{r}: Attach Rebellion Flagbearer to a target
creature you control.
"All the day through, t he flag never hit the ground."