The collection side lets you track what you own with price data so you know what your cards are worth
Its a common card in just about every tribal deck, even Legacy Merfolk, and can go for about $10
If you get a custom Magic card printed, its at best a proxy, and should be fine for casual play
If you have the initiative, add two instead
Each starter deck is usually designed around a certain type or cards or a certain strategy and includes a balanced set of cards that can support said strategy effectively
Commander Merry, Warden of Isengard Partner with Pippin, Warden of Isengard (When this creature enters, target player may put Pippin into their hand from their library, then shuffle.) Whenever one or more artifacts you control enter, create a 1/1 white Soldier creature token with lifelink