To cast a wider net, these have been amalgamated with major event data from November (an SCG Open in Columbus and two Classics in Baltimore and Knoxville), which do not appear in the paper data at large
Even if you are all in on the poison counter plan, Ixhel gives you a way to play your opponent's spells so long as they have three or more counters on them
Counterfeits are designed to deceive
But even so, doubling counters on permanents is potentially huge, like say Planeswalkers, which work in a really funky way, and similarly this cuts your opponents counters to half, rounded down, which means in the case of 1 counter, that's 0 counters, which is in fact quite huge
This is certainly going to get out of hand if they dont deal with it and you have a decent amount of mana, so it really remains to be seen whether the new Standard will be slow enough for you to overwhelm them with 2/2 servo creatures