enveloping creatures, creating emblematic contrast, artwork by artist frank holl, purple accent, textured attire, oviraptorid and silicobra, resilience defiance, dynamic anatomy, mystical unison, iridescent feathers, adding mystique layer, captivating amalgamation of patterns, facial features harmoniously uniting oviraptorid and silicobra, hinting towards alliance of defiance, emphasizing chaotic balance within harmony, depicting oviraptorid and silicobras dynamic anatomy