Potentially, new playtest cards could fix this issue, however, those arent a reality just yet
Then, as that second ability resolves, Ancestral Katana becomes attached to the creature that attacked alone
Utilising the power of Whirler Virtuoso to power out Thopter Tokens and Aetherworks Marvel to drop in the titans of Emrakul, the Promised End and Ulamog the Ceaseless Hunger
If you've been picking on one with your attacks and burn effects, then you will likely have a low single digit life to force everyone to get to
Since theres no annoying once per turn clause here, you can play your noncreature spells whenever you like, which allows you to hold up your mana until you need it most
Cast Despair on the next turn with the potential for an opponent to discard up to their entire hand if you have seven or more creatures that dealt combat damage that turn