Power-boosting spells like Colossal Might or Might of Oaks can serve double-dutyyou can boost your own Ring-bearer to allow it to be blocked, or if you want to disable a potential small power blocker, you can target your opponents creature with it so your Ring-bearer can slip past
Unless you have some Alpha or Portal Three Kingdoms cards stacked away in those boxes, your commons are probably true bulk
The unique selling point is table-wide attrition paired with a fast, scaling finisher that closes games decisively
The Admirers is a 3/2 Elf that costs four mana and draws a card, and as you cast creatures (likely here with your exile trigger) you can spend to return it to your hand from your graveyard, so trade freely
Sizzling Changeling has all creature types while in your hand, library, graveyard, and so on
Cruel Fate, Sealed Fate, and Second Sight can do this effect without messing up your own future draws