It should be a riot in multiplayer
(The battle's protector doesn't control the battle, however.) Any player other than the battle's protector can attack it the same way they would a player or planeswalker, and its protector can block creatures that are attacking the battle
As one of the titular brothers in The Brothers' War, Urza has a big role to play in the next set
Most MTG sets have their own, corresponding Starter Kit for example, the upcoming Lord of the Rings MTG set will have its own two player Starter Kit, complete with two MTG Arena code cards
Best for Value (Investing): Reserved List cards (like Dual Lands ) are the gold standard for stability
It loves legendaries, giving them a reduced cost of 1 generic mana each