Carnadine

Hi ! If you don't have a lot of good cards and still want to enjoy EDH experience, there is a format called EDH peasant.
In this format your commander must be a common or uncommon creature (even if it's not legendary) and all your other cards are common except 8 of them.

Check it out ! ;)
http://pauperedh.weebly.com/peasant-commander-rules.html

Thanks for those good advices. In fact, most of those cards would be in Gisa if I had more money. Some of them are pretty cheap so I will add them soon.

On the other hand, exort is ok in monoblack, the hybrid mana is parenthisis for rule memento. It's not considered to be in the textbox. Check this because exhort is very powerful with such a number of creatures.

Change log:
Unexptected Results >> Tempt with Discovery
Coiling Oracle >> Sprouting Vines
Roon of the hidden realm >> Rafiq of the Many
Skyward eye prophets >> Captain Sissay
Wonder >> Archetype of imagination
Uyo Silent prophet >> Psychic Battle
Djinn of Infinite Deceits >> Empress Galina
Simic Fluxmage >> Braids, Conjurer Adept
Zameck Guildmage >> Perplexing Chimera

Thanks for your suggestions. However, I think I have enough draw to overwhelm anything. Plus, only one card at my upkeep isn't that strong.
I have considered Guild Feud, but it's expensive (not a creature), a little too random and could help my opponents. Gruul Ragebeast do pretty much the same, but only with what I want and it's a creature.

Auto-suggestion for the future : Vorel of the Hull Clade. Cheap, powerful, he can double the counters on ... ANIMAR ! And a couple of other creatures in the deck. In this deck Animar sould be always on the battlefield, so Vorel, will be always useful. A good boost of speed.

thx for your hints. Sure, Iona and Blazing Archon are great. Even Elesh Norn could be devastating with massacre wurm. But Iona is about 12€ and Elesh Norn 17€. Far too expensive for cards. Moreover my own metagame doesn't need such powerfull card. For the moment.
I'm open to suggestions under 5€ :D