I don't think you understood how this works. For starters, the cards will get rescinded for the final (the "Garrincha rule") and Reds are only happening in the semis.
So the rule is valid only for the semis? I get the rescinded part for the player sent off, but in the final you'll still have (me, Tuppet and probably Jayvin) players that have more than 5 reds during their career with Skizzo/Annah probably 0.
Either way - both Jayvin and Skizzo/Annah can field starting eleven that doesn't have cards in the semis and me and Tuppet each have 4 at least. Ronnie, Schuster, Desailly and Dani Alves for me and Vieira, Samuel, Blanc, Ronaldo for Tuppet. Jayvin only needs to put on someone on Keane's role and he has a sure one man advantage for half a game, which in a tight game is a sure win.
Even if Jayvin fields Keane he has a small chance for him to be sent off.
So the choices for me and Tuppet for the semis are - either field a weak team (probably with keepers as outfield players on my part) or get a man sent off in the middle of the game, which essentially kills both ties.
Something like this:
--------------------VDS----------------------
Maldini----Desailly----Julio Cesar---Schnellinger
---------------Xavi-------Souness------------
-------------Eusebio-----------Kaka----------
-----------Ronaldo--------Erico-----------------
and that's 50-50 chance only if Jayvin fields Keane.