If Raging Battle Mouse was the first spell you cast this turn, the next spell you cast this turn is your second spell
Which is to say, you technically havent won with only those three cards, but its extremely difficult to find those three cards without having also incidentally found enough other cards to draw your deck and make infinite mana
As these cards age, their availability in mint condition may decrease, potentially leading to higher prices for well-preserved copies
Yeah, they're only in less than 1% of all boosters printed, so good luck on that one
Forge Anew - This is unlikely to completely unseat Sigardas Aid in Equipment decks, but I think plenty of them will run it for redundancy
This card is a flying-matters commander, so it cares about attacking with fliers and giving flying to other creatures