Update: someone datamined it on reddit and can be found there
Supercharge. Earn points by guiding your minions to the designated incinerator, and destroying enemy minions before they reach their own. The bigger the minion, the more points you’ll earn by sacrificing it.
Capture and hold the Supercharger pad to power up minion reinforcements.
Destroy shard clusters to earn shards. Use those shards to power tactical structures throughout the battlefield.
The first team to reach 300(or 400 or 500) points achieves victory.
Normal Minions: 10 pts
Shepherd: 20 pts
Giant Minions: 30 pts
This didnt look familiar to me, anyone else?
To me, Supercharge looks to be a king of the hill game mode.