Trainer cards also give you the opportunity to synergize and combo effects with your Pokmon attacks and abilities, letting you get more done on your turn than your opponent
After Sudden Spoiling resolves, the grizzly will have all creature types and will bask in due buffs
In general, looting a card back to the top of your deck is worse than discarding a card (since you can't take advantage of any graveyard synergies), which means the +1 is only powerful with a very narrow subset of cards (things like Miracles)
If those abilities dont mention you choosing a Ring-bearer, they will go off even if you control no creatures, but if they do only trigger when that choice is made, you must have a creature to be your Ring-bearer for that trigger to occur
Its on the fence for me, so if you have a build for this commander, let me know
This ties very well with Dinas own ability, considering that this bigger creature can be sacrificed later for even greater value