Can you pay 2 energy to play Zhonya's Hourglass face-up in your base, and does it trigger when a unit dies?

Ruling: Yes, you can play Zhonya's Hourglass face-up in your base for 2 energy. When your next unit dies, the Hourglass goes to the trash pile and the unit is placed exhausted into your base instead of dying.

Sequence:

• Pay 2 energy and play Zhonya's Hourglass face-up in your base
• When your next unit dies, Zhonya's Hourglass triggers
• The Hourglass goes to the trash pile
• The unit that would have died is placed exhausted into your base instead