Attack with a Rebel unit. It gets +1/+0 for this attack.
Then, attack with another Rebel unit. It gets +1/+0 for this attack.

Attack with a REBEL unit. It gets +1/+0 for this attack.

Then, attack with another REBEL unit. It gets +1/+0 for this attack.

Rules Clarifications:

• You must attack with a Rebel unit, if able. Units must be ready in order to attack.
• For abilities that encompass multiple actions, resolve each action (and any resulting triggers) sequentially.