Cardiff Blues trio Josh Turnbull, Cory Allen and Alex Cuthbert were all among the scorers as Wales warmed up for the first Test against South Africa with a five-try 34-12 victory over Eastern Province Kings on Tuesday night.
Tries from Turnbull and Allen, with two conversions and a penalty from James Hook, gave Wales a 17-0 interval lead.
Hook and Cuthbert added further tries while Siviwe Soyizwapi crossed for the hosts. Gareth Davies scored Wales' fifth try before Simon Kerrod crossed late on for the Kings.
There was also a comeback for Blues hooker Matthew Rees who came on as a second half replacement for Wales.
The Blues quartet will now hope to be involved in the first Test against South Africa in Durban on Saturday.
Judgement Day is back at the Millennium Stadium for 2015 with the Welsh Rugby Union (WRU) and Regions confirming today that tickets will cost just £10 per head to see all four of Wales' GUINNESS PRO12 sides in action under one roof.
Battling Cardiff Blues produce a performance of full pride and heart in adversity as they lost out to reigning champions Leinster Rugby in a pulsating Guinness PRO12 encounter at BT Sport Cardiff Arms Park.
Cory Allen scored the only try of the game as Cardiff Blues edged an absorbing and dramatic Welsh derby with Newport Gwent Dragons at Rodney Parade to open 2015 in the Guinness PRO12 with a crucial victory.