psyched up (?.)

• all ready
• all set
• armed
• armed and ready
• booted and spurred
• briefed
• coached
• cocked
• equipped
• familiarized
• good and ready
• groomed
• in arms
• in battle array
• in readiness
• in the saddle
• informed
• loaded
• loaded for bear
• mature
• mobilized
• on the mark
• planned
• prearranged
• prepared
• prepared and ready
• prepped
• primed
• provided
• ready
• ready for anything
• ripe
• set
• up in arms
• vigilant
• well-prepared