Since Teferi, Time Raveler stops any permission spells from being cast at instant speed, the Planeswalker is also great in combo decks trying to force through a winning game line and it doesnt only stop these permission spells, but also bounces problematic permanents which are preventing your combo from functioning
Overlord of the Balemurk is especially strong in green and black reanimator decks, which focus on returning your most powerful creatures and creating a big graveyard
Thanks to the amount of ramp, even in mono-black, paying for this card is actually a feasible feat
And we've only got gen-1 in the game now: there have been plenty of Pokmon since Red / Blue , and that gives Niantic plenty of material to keep us occupied for years to come.
If you just want to sell expensive cards once in a while, a basic account is more than enough
He's a muscular tiger-man