Once Avishkar's diplomats left Muraganda believing they had brokered peace with the plane, Tyrox commanded his legions of raiders to set up ambushes in chokepoints along the track
Any Thrasios list wants infinite mana combos but with Eligeth out you'll no longer put all your lands onto the battlefield, so this partner combo feels like a way to make a Thrasios deck that is still strong but probably not quite a cEDH deck
I expect this to be rather more potent than the other cards I rated as 6/10 but I have kept the rating on the low end so as to account for the supporting synergies this already has in my cube
If such things interest you, might I recommend starting here, here, here, here, and here?
Energy has to be discarded, the opponent has to have at least one point, and it is only Ultra Beasts