The optimal manabase is likely four Riverpyre Verge, four Spirebluff Canal, and a couple of Thundering Falls and perhaps a Soulstone Sanctuary or two for value, but this adds a ton to the budget
Worth calling before paying secondary market prices
So, if you got any old Pokemon cards, it might be worth digging them up to see what they are worth - you might just have your retirement plan there.
Followed by Brook's sensible approach to sudden large sums of money
Her synergy with cards like Aether Vial made it easy to get on the board as early as the second turn, even though she says you can't cast her until after your fourth turn
Its hanging around at between $3 and $5 right now, but I think its severely undervalued at the moment and a good card to get in low on