Count values which can be on two different columns

Hi there !

I'm creating a dashboard to study each strategy for a football team with these tables :

In my report: a slicer to select a team.
I want to display, for each strategy, how many times it has been used by a team.
Example for team 1:
4-4-2 --> 3
4-3-3 --> 3
3-5-2 --> 2

I created a table chart with Strategy Name and a measure with a countx for each Team_1_strategy_id or Team_2_strategy_id (because a team can be home or visitor) but it doesn't work.
Do you know if it's possible in PowerBI or I'm wasting my time ?

Thank you !