"To comprehend the full answer requires years of temporal study. In short, they were now never born in the first place."
—Teferi

Time Wipe

Return a creature you control to its owner's hand, then destroy all creatures.

Duskmourn: House of Horror Commander

Bloomburrow Commander

"Goodbye, Davros. It hasn't been pleasant."
—The Seventh Doctor

Doctor Who

If you control no creatures, you simply destroy all creatures.

You chose which creature to return to its owner's hand while Time Wipe is resolving. No player may take any actions between the time you choose the creature to return and the time other creatures are destroyed.