Hendrik Verwoerd

When Hendrik Verwoerd enters the battlefield, your opponent chooses from among permanents they control an artifact, a creature, an enchantment, and a planeswalker. That player then sacrifices all other nonland permanents they control, and detains any creatures chosen.
"Must Bantu and European in future develop as intermixed communities, or as communities separated from one another insofar as this is practically possible?"