The drawback is that creature has to have a mana cost equal to or lower than the number of lands you have, but thats super easy to get around in green
Now that there are two Marks writing for the site, I don't know which one to tell you to email
(Note that Arena actually does use a non-random shuffling algorithm for best-of-one games, in order to minimize mana screw/mana flood in your opening hand
You want to play a control / combo or durdly deck You'd prefer avoiding the combat step, if possible You want to play an aggro deck but want to focus on going tall instead of going wide You want a deck that you can upgrade / optimize whose best cards aren't super expensive (some of the best Vampire cards are pricey!) If you like where this deck is going, then great
Anybody who played during Theros Standard is going to remember that Domestication was a format staple and Connive is doing something very similar
Theres plenty to get your hands on, because lets be real, were not just buying one