This deck was built by PowrDragn and it features party mechanic in red, white and black (or Mardu colors). You can find the deck tech on his YouTube channel.

Creatures (29)
4
Archpriest of Iona
3
Acquisitions Expert
3
Kargan Intimidator
4
Luminarch Aspirant
4
Seasoned Hallowblade
2
Ardent Electromancer
3
General Kudro of Drannith
2
Basri's Lieutenant
2
Tazri, Beacon of Unity
2
Zagras, Thief of Heartbeats
Spells (7)
3
Fight as One
4
Dire Tactics
Lands (24)
4
Brightclimb Pathway
3
Fabled Passage
4
Needleverge Pathway
5
Plains
4
Swamp
4
Temple of Triumph
Cards (60)