Ricardo Silva Before Prismatic Ending and Modern Horizons 2 came out, Path to Exile was the uncontested best white removal spell one could play in Modern
The Bad Setzer, Wandering Gambler cares about Vehicles and coin flips which is completely unsupported in this deck
In this case, hes become a dashing knight complete with armor and a two-handed claymore so big it would make Cloud Strife jealous which certainly accounts for his immense power level
You may well have to pick some things you don't want to and likely over things you did want and then shoehorn these random life gain things into your deck that you otherwise don't need or have better options you would rather have in the slot
As if that wasnt good enough, once defeated, this Battle can be recast as Zilortha, Apex of Ikoria who is quite the threat
(Or even reach if you just want to block flyers)