If you're willing to refresh this page once a day eventually a Sapphire Pulse Vega 56 will show up for £180. Mine still had the covers on 3 of it's outputs and looked unused. If you're desperate for extra performance you can add a Vega 64 bios or just use power modding tools, which can hit 2070 levels of performance
https://www.overclockers.co.uk/clearance/graphics-cards
Plus the added benefit of an electric heater in the Brexit winter
A definite contender in these uncertain times where many component purchases (mostly graphics cards) 'just feel wrong' for the cost.