I think the two worst would be Komainu and Ashigaru, which are both based off hand sizes, and only once. Tinkering is the alternative option, but for a quick pressure it’s still TR breaker, Tinker, run, may/recovery, vs Overmind to run. With Overmind that’s 6 cards instead of 3 to start running with, and as a first install makes good use of CT’s extra memory, and will last at least two turns worth of runs. But especially with Ram and Garrote that means subsequent installs are much more useless. SMC is a harder call because expensive breakers are worse off because of it.