Merlin - Myrddin
Riccardo Moscatello
https://www.artstation.com/artwork/D5zR2A
Mordred
https://www.artstation.com/artwork/q9ovyD
Ser Barristan Selmy
https://www.artstation.com/artwork/YQL5P
Queen of coins/pentacles
https://www.artstation.com/artwork/dVVVe
Sir Lancelot of the Lake
https://www.artstation.com/artwork/48exNL