yugioh card lists All Rare 20 lot with Guaranteed Exodia. : Toys & Games YuGiOh Starter Deck: Yugi Card

This is because she can heal 50 damage from any of your Grass-types as opposed to the Potion, which only heals 20

These are often found in special promo boxes or as event exclusive

Lair lands offset this by providing immediate color variety, but they force you to return another land to your hand

Without the Dryad Arbour trick it is pretty weak early and although I don't really like either card I had seen them used to good effect recently and felt compelled to give them another chance

Other possibilities include instants and sorceries that have a kicker effect tied to dice or artifacts that allow you to roll dice and gain benefits