They not only help to avoid cheating, but they also prevent you from getting scammed
Then for Omen you can sweep all non-Dragons by reducing their size by X amount
But I really love the mini-quest built into this card, trying to have ten or more cards in hand when you attack with the creature this Aura enchants
Best Lorcana emerald cards Mother Gothel, Selfish Manipulator Flynn Rider, Charming Rogue Mad Hatter, Gracious Host Cheshire Cat, Not All There Genie, Powers Unleashed Jasper, Common Crook Kuzco, Temperamental Emperor Emerald cards in Lorcana are especially great if you prefer to fend off attacks from other players, using effects that fill your hand with cards or banish opposing characters whenever youre attacking - forcing your opponents into tricky decisions about what theyre willing to sacrifice to slow you down
Magic: The Gathering's Commander preconstructed decks often come with new, exclusive cards that would be the perfect inclusion to your existing builds