Let us ponder a little more:
A tournament is held where everyone is allowed to bring any army of their choice (it to be revealed only until a match begins). The organizers state "since all GW rules apply, people wanting (and agreeing) to play with End Times magic will be allowed to, even if there are no Elven Hosts / Khaine units in play, however, in the case of disagreement, you will play with regular Magic (unless it is mandatory that you play ET, with elves and such)"
Now you need to bring an all-comers list that can play with or without End Times magic for the ultimate toolbox list! =D
It's true that some lists will benefit more from using End Times magic, however I believe it's more a matter of skill while casting than tailoring a list against them. With 50% lords and heroes, everyone is fielding a Lv 4 Wizard, and in our case, we always tend to field a backup
necro or two, as arcane item caddys. Choosing our Lore has always been about always getting the spell we want to play (all LoV casters, for instance) and it's true that many spells we'd like to always have like VDM make a fine strategy while playing.
However, my point is, we can also learn to play with "regular" magic phase lists against "cheesed-up" End Times lists since we have all it takes to match magic with our own (Lv4 casters who don't loose concentration!).
Hierotitans and Caskets are fairly standard now in UL lists, and the only real item we could bring to annoy an opponent is the Corpse Cart with Balefire to limit their already limited (D6) amount of dice they can use to cast. Maybe the... rod or wand that gives you +1 to dispel, but that's actually it.
lv 1 and 2 casters will always struggle to cast spells of 10+ because of their low level, more so with a limited amount of pool per casting.
Finally, we need to wait to see the full rules in order to prepare against cheesy lores, like Str 8+ Banishment Light Covens or so...
