The good news is, if you are looking for a deck to upgrade, this deck has plenty of fine pieces to help you build a stronger, more competitive Amber/Emerald deck
Other top card options may require a certain colored partner are, Loxodon Warhammer, Scepter of Celebration, Vorpal Sword, and Sunforger
The first is a zero loyalty counter ability to proliferate, adding one loyalty counter up on all your planeswalkers any time any of them use this ability
Mountains 30
Its amazing to take down value pieces your opponents deliberately never do combat with, such as Llanowar Elves, Esper Sentinel, or Drannith Magistrate
It also works really well with any cards that allow you to play lands from your graveyard, letting you get multiple uses out of fetch lands