Before heading back there, you might want to grab the TM35 (Sleep Talk) and Max Ether here, as well as a quick dash upstairs to the department store basement, where you can find the Amulet Coin, Ultra Ball, Ether and Burn Heal
Because I value versatility as much as raw power
First, witches are creatures or planeswalkers (think sentient beings) with the word witch in the card name
Although popular at the time due to the sheer amount of games sold, it was always that card that got scratched up, bent, or put inside a GAME BOY Color travel case
Shout out to Urza's Saga which tutors any artifact to the battlefield without a sac, but just a one drop or less, like Skullclamp and Sol Ring or a land
This gives you all sorts of versatility with your lands, where instead of just waiting until you need them to tap mana, you can tap lands you don't need or might not need to commit mana to and use them to make a bunch of Treasure tokens