Flame and Glass, Duality

As Flame and Glass, Duality enters the
battlefield, discard up to two cards. If you
discard one, destroy target creature or
enchantment. If you discard two, destroy up
to 3 instead. If the discarded cards' names
combined include the words "Flame" and
"Glass", add {c}{c}{c}{c}{c}{c}, destroy up to 6 instead, and Flame and Glass, Duality gains Haste and can't be blocked this turn.