Coalition Flag

{W} · Enchantment — Aura

Enchant creature you control Enchanted creature is a Flagbearer. 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.

Motor: se resuelve a mano

Rulings (1)

If this card is ever on a creature you don’t control, it is put into the graveyard as a State-Based Action.
Wizards of the Coast · 2004-10-04