Glyphward

Until your next turn, your life total can't change
and you gain protection from everything. All
permanents you control phase out. (While they're
phased out, they're treated as though they don't exist.
They phase in before you untap during your untap
step.)

Exile Glyphward.

A glyphward made for a duel might be comprised of
glyphs for "safety" and "glory", or just "excellence".