I have now removed the Mana Drain from my A cube and put it with the likes of Fastbond, Black Lotus and Sol Ring in the banned box
In theory, nothing would stop players from creating a third-party marketplace on a subreddit or Discord server where people who have tons of duplicates sell them to the highest bidders
Oblivion Ring: Unfortunately, playing Renounce the Guilds means theres no place for multicolor cards in this deck, and that means no Detention Sphere
Once you have threshold, you can start making 8/8 tokens, and you can engineer this situation quickly with fetch lands or self-mill
Finally, Vastwood Fortification // Vastwood Thicket serves double duty as a land or +1/+1 counter, whichever we need at the time
Meanwhile, green is fantastic at putting +1/+1 counters on your own creatures, building them up gradually