The rewards for Solo Battles typically include Shop Tickets that you can exchange for Hourglasses, certain Cards, and other items
It gives you a Treasure token to help you ramp and potentially snipes a powerful card from your opponent that you can cast thanks to the Treasure you make so you always have the color you need
Casting costs are represented by a combination of mana symbols and numbers, reflecting the resources required to bring the permanent into play
Foil treatments and serializations will not be available in MTG Arena , per usual
Its a passable commander, but Id rather run it in the 99 of a deck like Zask, Skittering Swarmlord, Grist, the Hunger Tide, or Reaper King
Just 8 were legal in Standard then, but we have 12 in casual, and three in Commander