Take out Nephalia Drownyard, Drowned Catacomb and Reliquary Tower, Put in 26 Islands instead. Take out Think Twice aswell.
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doesnt look too bad, but it seems as though you have a lot of islands for what you need, especially since you have that double land 4 times. maybe add some more swamps instead of having 7 islands, idk like maybe 5 or 4 and add an extra swamp or double land