THE BROTHERS WAR CARDS TO KEEP WATCH ON Cityscape Leveler is a tad over-costed for most builds and is less exciting than the other main Mythic artifact in the set but that said, its still a monster of a play in Colorless decks
Tribute 1 monster from your hand or field, or send 1 monster from your Extra Deck to the GY, also after that, Ritual Summon any number of "Nekroz" monsters whose total Levels equal the Level of that monster
"These nine cards depict the original starters from the Kanto, Sinnoh, and Alola regions
It is far from easy to collect all 226 cards without spending real money, but you can use several techniques to give you the best possible chance
The Ozolith would be a must-play +1/+1 counter card were the price not so high ($20+ at the time of writing)
at least i have my ditto pikachu