Here’s some sort of deckbuilding challenge : a Nicol Bolas EDH deck, but with only old frame cards (nothing after 7th edition). A control deck of sort, killing with mister Bolas himself with the help of some old dragons.

Full decklist on Archidekt : https://archidekt.com/decks/67471#Nicol_Bolas_Old_School

Global price : 100-150€ on www.cardmarket.com
Power : 4/10 (1 being draftshaft, 4 a common Commander precon, 10 a very consistant competitive edh deck)
Fun to play with / against : 8/10 (it’s always fun when old weird cards take some light !)