Being a threat or value as the game demands is an effect you want in your cubes as they will make games more consistent and enjoyable
There will be other decks that try to break the Storm mechanic ones that possibly incorporate Tendrils of Agony or Grapeshot but this attempt is the cleanest on paper
Galadriel, Gift-Giver Galadriel, Gift-Giver gives you a Food, Treasure, or a +1/+1 counter on a creature whenever it attacks or enters the battlefield
Bastion Protector sneaks in as the only creature reprint among these 4 precons, which seems flavorful and offers a buff and solid protection to your commander
A street kid in the Mezzio, Rigo had dreams of working with New Capenna's angels
If you havent seen one of these in person, you really should