If you discard Immortal Phoenix with "Get Excited!" and kill a unit at a battlefield, can you summon the Phoenix to your base with its effect?

Ruling: Yes, you can summon Immortal Phoenix to your base with its effect after discarding it with "Get Excited!" to kill a unit at a battlefield.

Sequence:

• Discard Immortal Phoenix with "Get Excited!"
• Deal damage equal to Phoenix's Energy cost to a unit at a battlefield
• If that unit is killed, Phoenix's effect triggers
• Summon Phoenix to your base

Nuances:

• The Phoenix sees that a unit was killed before it goes to the trash, allowing its effect to trigger