Webfeb 8, 2021 · welcome to the rby ou viability rankings! As you can guess, in this thread we aim to rank the viability of all relevant pokemon in the rby ou metagame. All pokemon are ranked in order of viability, even in their own subranks. Webfeb 18, 2015 · rby ou viability rankings. Discussion in 'tiers' started by enigami, feb 18, 2015. Webfeb 18, 2015 · welcome to the rby 1u viability ranking thread! This is for standard rby. There is no wrap clause. In case you're not familiar…