Esa, I always look forward to/ like your articles the best because I feel like you offer a well rounded and sober perspective on the metagame while offering up unique ideas I might not have considered and giving explanations for those things. As a mewtwo eels player I found myself testing a lot of the same techs you mentioned in your bit, zekrom ex, tornadus ex, and even druddigon (which you mentioned later), but I think bouffalant deserves a special mention for mewtwo eels now as it has become a near staple in most successful lists (including mine). I will also die by emolga, who I have been playing a two of in place of sky arrow bridge because of his begining boost with tynamos as well as his synergy with switch for a mid-turn mewtwo/ attacker power up. Lastly, I think a tech to consider for mewtwo eels is pokemon center over SAB. When you play emolga, SAB is uneccesary... and pokemon center helps protect your eels from being double KO'ed by landorus, and sniped via darkrai. It also protects mewtwos from being sniped by landorus and then dragged out for the lands judgement KO on the following turn. Mewtwo and Bouffalant often over hit their targets (averaging 100-120 damage) so the potential 20 damage heal doesnt kill you as much as it messes up your opponent's math. Also, I have been able to use it as a pseudo eviolite, taking 90 damage from a darkrai, switch to emolga, heal 20, then promote and attack again. (A lot of times they will then try to catcher and snipe kill the target with 10 hp left, but it does at least force a catcher use).
Enjoyed the article a bunch, and thanks for your insight again!
-Andrew