Curvature of the World

Whenever one or more creatures attack, end the
turn. During its controller's next turn, those
creatures doesn't untap and may finish the attack.
—
"I had to leave Zurich, I could go to Boston, or
Boston, because ... yous will ask, but is it further?
No, no, the Earth is curved, see?"
- Dilma Rousseff, Lost but Seeking.