Possible Clues:

• Plate rumoured to be very 'you', luckily
• Lucky thing, so he - or she - makes out
• Lucky plate on wall?
• Lucky item
• It brings good luck?
• Filly's standing by weed? That's lucky
• Ripped up shores with tool that's used to protect mounts
• Classroom setup that facilitates group discussions
• Something supposedly lucky that's on the hoof?
• Waters garden bordering river in curved shape