I finally found the Unown Mirage Cave! : r/pokemon
gen 6] Random Encounter shiny Tynamo in Mirage Cave! I was building up the encounter level before DexNaving, since it's a cave...good thing I was paying attention! The shiny is barely different
Cava di Rocce Catramose Mirage | Magic | CardTrader
Gen6] Random Shiny Tynamo : r/ShinyPokemon
How To Get Deep Sea Tooths in Pokémon ORAS - Guide Strats