All this potential necessities it being banned in Legacy but you can still go wild in Commander and Vintage
Bismuth Mindrender has the sort of text box that will make people throw removal and poor blocks at it until its gone, which has a good amount of value even if the amount of times you get the actual stealing cards from your opponent effect are few and far between
The Command Cycle Kayla's Command is a three-cost sorcery with two of four abilitues to make a 2/2 dork, toss a counter onto your creature and it gains double strike for the turn, search for a Plains, or gain two life and scrying 2
Online marketplaces like TCGPlayer or auction-style sites can also be good spots to discover rare editions, though availability and prices will vary
This scene was considered acceptable in the original Japanese context
Mewtwo VSTAR Full Art Card (#221) Sword & Shield VSTAR Universe, Japan 2022 PSA 10 (GEM-MT)