Pernicious Deed can be played lots of times and never hits your Muldrotha if you dont want it to
Right now, the critical turn on which you need to be able to either consistently threaten a win or an insurmountable advantage or have the means to stop others from winning, be it through interaction spells or static effects, is turn 3
Furthermore, by combining the cards from other boosters, you can enhance your strategy and reach the summit of the game environment
In terms of direct synergies, your options are The Sixth Doctor, The Fourth Doctor, and The Eighth Doctor
This makes for a pretty cool time-series forecasting problem under the influence of external stimuli
Clement, the Worrywort Clement has a reputation to uphold as the safest adventurer in Valley