The seven keywords, including reach, can all work together to make this a defensive and offensive creature at the same time
Furthermore, it reduces the cost of creature spells you cast by the number of +1/+1 counters on it
Getting all of your chapters at once from Kiora Bests the Sea God, or keeping Scroll of Isildur around so you can hold on to the artifact you stole is pretty great, and thats really just scratching the surface of what Goldberry is capable of
You want interaction that keeps your side of the battlefield intact whenever possible
But even in Commander, the ability to get back any creature or land that was in your graveyard stands this creepy crawly summons in great stead
25% of the time, instead of an ad or token card, Set Boosters contain a card fromThe List interesting cards from anywhere inMagicshistory, printed as they appeared (including art, frame, and expansion symbol) plus a small Planeswalker symbol in their lower-left corner