I respect Wizards and the CFP (Commander Format Panel) for acknowledging, and wanting to fix, the problem, but I simply don't believe the solution can come from the top
Oh, wow, the 6 damage from that Curtains' Call hit you
Since sacrifice costs see any permanents you feed them as being equally worthy payment, this already gives us an easy way to break them: just spend the smallest, least valuable permanent for the same big payoff
In the example provided below, we can identify a few key details such as the sharp perforated edges on the top and bottom of the booster pack
Yawgmoth, Thran Physician [c]Yawgmoth, Thran Physician[/c] looks like hes pretty powerful on his own, but theres actually a popular infinite combo involving him and some other cards, making him even stronger than he first appears