Can you cast Retreat targeting your unit, then react to it by casting another Retreat on the same unit to bounce 1 unit and gain 2 memory?

Ruling: No, you cannot gain 2 memory this way. When the first Retreat resolves, "its owner" cannot be defined for the second Retreat, so you won't get a second memory.

Nuances:

• You can legally cast the second Retreat in reaction to the first (for example, to ready a Darius if you only had one unit to bounce), but you will only gain memory from the first Retreat that resolves.