333. Step 1: Finalize

333.1. If one or more Items are Pending , their controllers must complete the steps of Playing those Pending Items until they are Finalized Items or leave the Chain.

333.1.a. This process does not pass Priority.
333.1.b. Each Item is Finalized in the order it was appended to the Chain.
333.1.c. Abilities that Add resources, Units , and Gear resolve immediately when Finalized and do not progress to Step 2: Execute. See rule 346. Playing Cards for more information.
333.1.c.1. If the Chain is empty, play proceeds in an Open State.
333.1.c.2. If the Chain is not empty and there are one or more Pending Items , repeat Step 1.
333.1.c.3. If the Chain is not empty and there are no Pending Items , the controller of the newest item on the chain gains Priority and becomes the Active Player. Proceed to Step 2: Execute.