Being only an enchantment, and not a creature like both Argothian Enchantress and Eidolon of Blossoms, Enchantresss Presence is much harder for your opponents to remove
Outside of those specific decks, Murder is always going to be the best choice for slaying others because its an instant and has no targeting restrictions
Usually, this is just tapping the land
23 Lonis, Cryptozoologist Get A Clue For the low cost of two mana, Lonis, Cryptozoologist is a commander who allows you to convert your creatures into an impressive value engine, investigating (creating clue tokens) whenever another nontoken creature enters the battlefield under your control
The reason why we collect cards is because of their collection value
While that wont happen that often in casual EDH, its good to have the bonus