When combined with Auras and Enchantments such as Aqueious Form and Finest Hour, Isamaru, Hound of Konda can even threaten to take opponents out of the game with Commander Damage alone
There are some great rooms to visit, but I'd be sure to visit Ebonlake Grotto for two faerie dragons, and the reward for venturing eight times is either an anthem/trample enabler, huge burn based on four cards' worth of mana value, or a one-sided board wipe
Target opponent reveals their hand
The real fun comes from cards like Rite of Replication, Tasha's Hideous Laughter, and Karn's Temporal Sundering
You need to be able to support a colorless Land, and if getting to isn't likely, it won't work, but Westvale Abbey is solid in many decks as a mana sink, and Ormendahl is a problematic threat no matter the situation