[ATTUNEMENT]
When this Ninja is deployed, you can attach 1 Jutsu card from your hand to this Ninja.
Valid:
During the Exchange of Jutsu, you can pay 2 Chakra. In that case, add a copy of the attached Jutsu to the chain with this Ninja as the user (Requirements/target must be met/selected).
"But how does this all relate to shortening my training period?"