If you have a 2/2, a 3/3, and a */4 which happens to be a 4/4 when triggering, and by resolution you have a 2/2, a 3/3, and the */4 now happens to be a 1/4, the coven ability will resolve
A few articles ago I wrote about Brudiclad, Telchor EngineerBrudiclad, Telchor Engineer, and toward the end of that article, I made an offhanded comment about how Krenko, Mob BossKrenko, Mob Boss would work well as a hidden commander in a Brudiclad Tokens deck
Even if you just have a few mana sources up after casting it you can now tap them for triple mana to essentially give you another turn
Sadly, that's all we've got time for for now - there's wrapping paper to clear and leftovers to munch
Lithoform Engine You can get a ton of extra value out of your deck with Lithoform Engine, since it boosts almost anything you put on the stack