Caveat: I have not personally used these drugs, but I have researched them extensively.
Phenelzine is notorious for causing sexual dysfunction, if you search through user experience reports on forums, Reddit, etc. Of course, the people who don't experience SD don't complain about it on the internet, but it is reported significantly more than tranylcypromine.
Tranylcypromine seems more like a mixed bag, like any other antidepressant.
Talking of hypertension, you need to be aware of the risk of hypertensive crisis if you consume tyramine rich foods, such as cured meats and aged cheese. So you have to be aware of your diet. A workaround to this is to take nortriptyline, which eliminates the risk, according to Dr Gillman.
Also, you absolutely
cannot take sertraline or any other SSRI while on an MAOI, or it will cause potentially fatal serotonin toxicity.
If you want to know more, Kenny G is the world leading expert on them. He knows what he is talking about and debunks many myths and untruths about them on his website
Critical independent evaluations in psycho-pharmacology - Expert commentary on Monoamine Oxidase Inhibitors and Serotonin toxicity
www.psychotropical.com