Once you have a massive board state, cards like Warleader's Call and Imodane's Recruiter help push a bunch of damage to finish the game
For the sake of continuity, I'll use 3 months as the time frame
Spend this mana only to cast Room spells and unlock doors
Instead of simply summoning another cartoon monster, Comic Hand lets you take one of your opponents monsters, treat it as a Toon monster, and turn it into something that can attack directly if the setup is right
However, thanks to the magic of mana generation like Black Lotus, it means you can potentially destroy your opponents hand before they even play anything
Its unknown whether your wins will factor into your rating when the program goes out of Beta, but even if it doesnt, the benefit of playing better players NOW at the cost of playing and winning more games is well worth it