Pure Unchained

Cheap (cheaper with piri instead of nightmare throne) but definitely not bad deckprofile with beckoning beast as a one card combo for unchained. The one card combo works: Throne add beckoning, normal beckoning and add spirit gates, spirit gates adds second beckoning and then do your second normalsummon to go for Yama. Yama adds Sharvara, then discard sharvara for Spirit Gates to special out of grave and set a Unchained card. Now Link for Super Producer and destroy your Spirit Gates to trigger Yama in GY. Special Sharvara and destroy the trap, then play as usual. You could play a small Yubel engine consisting of 1 Spirit of Yubel,1 Yubel in maindeck and 1 Phantom of Yubel in extra deck if you already have beckoning beast in hand combined with nightmare throne but be aware that you may add grave squirmer to play through imperm on beckoning beast to get the second body on field for yama.