This way, you can avoid the imbalance problem, but at the same time, you will have a couple of strong Pokmon
Jodah, Archmage Eternal While casting stuff for free is good, Jodah can make everything cheaper, and hes a little more reliable than The Prismatic Bridge because you get to choose what youre casting
(At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) At the beginning of each players upkeep, that player sacrifices a green or white permanent of their choice
That isnt bad per se , but it didnt really fit into the continuity back then (okay, now, were used to it, but it was odd back in the day!) and it took some time to get used to it
And Westvale AbbeyWestvale Abbey pulls double duty as both a sac outlet and token maker (Ive heard having a 9/7 flying lifelinker is pretty nice too)