mtg removal cards Lorwyn Eclipsed: Guide all other Auras attached to permanents you control Removal Spell Review | EDHRECast

Combine this with whites ability to search equipments from your deck with cards like Stoneforge Mystic and Steelshaper Apprentice to find the pieces youre missing

Effects like the Historic banned Spreading Seas can fix this and, since Islandwalk is a recurring mechanic across Merfolks, it is probably worthwhile running some effects like that, making Master of the Pearl Trident an absolute menace

The card can enter the Inkwell already exerted, and your opponent must choose one of your characters with the Bodyguard trait

Offsprings Revenge Offspring's Revenge is the perfect card for recurring valuable triggered abilities on creatures in your graveyard

Of course, good will alone wont win you the game, so Font of Mythos will only be a good fit in decks that know what to do with the extra cards they draw (or how to punish foes for being flooded with cards)