Occasionally a particular cultivar will cross with both dips and tets .... but in this case "Buffalo Thunder" is a tet.
Buffalo Thunder (Stamile-Pierce, 2012)
height 42in (107cm), bloom 7.75in (19.5cm), season EM, Rebloom, Evergreen, Tetraploid, 40 buds, 6 branches, Black purple self with white edging above green throat. ((Violet Becomes You × Big Red Wagon) × (Violet Becomes You × Into the Evening))