Duveen, Fortified

Undaunted (This spell costs {1} less to cast for each opponent.)
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.
"Eladamri can get into the Stronghold, but he needs a distraction. Duveen ... you're up."
- Lin Sivvi, Hero of Rath