These minimalist playing cards

These are on Amazon! just google "MINIM Playing Cards" (can't link)

Search for mollaspace black playing cards, they’re even prettier!

Despite their beautiful design, the practicality of playing with these around a dimly lit, home game poker table would be a bit ordinary.

Ah yes, I remember that song; The Ace of Triangles

Theory11 and ellusionist have some really gorgeous looking decks too