Bo-Staff Vanguard

Stance{1}: Change the ability of this creature to that of its other ability. Activate only as a sorcery.
Bo-Staff Vanguard may block an additional creature each combat, if it does, it gets +0/+2 until end of turn. (This ability is active when this creature enters the battlefield.
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When Bo-Staff Vanguard attacks, another attacking creature you control gets +1/+1 until end of turn.