PHRA-EN006 Tri-Brigade Nervall
PHRA-EN007 Tri-Brigade Kerass
PHRA-EN008 Tri-Brigade Fraktall (Ultra Rare)
PHRA-EN046 Tri-Brigade Ferrijit the Barren Blossom (Ultra Rare)
PHRA-EN047 Tri-Brigade Rugal the Silver Sheller
PHRA-EN048 Tri-Brigade Shuraig the Ominous Omen (Secret Rare)
PHRA-EN053 Tri-Brigade Airborne Assault (Secret Rare)
PHRA-EN070 Tri-Brigade Revolt

Aside from rarities noted, the rest of the Tri-Brigades are either Super Rare or Common.

Tri-Brigade Oath has not been revealed in any videos so far, but can be assumed to also be in this set.

Reveals in French (reVohlt)

Reveals in Italian (ocream1993)

Reveals in Spanish (Yu-gi_Oh!Masterclass)

MAGO-EN114 Barrier Statue of the Stormwinds