At first I thought this to be a two turn combo, but as it turns out, you can do it in one!
Elise goes infinite with Floop, Floops Gloup, Bees! and Moonfire:
have only those 5 cards in hand, then play elise
your hand is 2x Floop (set to copy elise) 2x Gloup, 2x Bees! and 2x Moonfire
Cast one Moonfire on Elise, then double Gloup and cast Bees! on her.
as a result all 4 bees + elise die, giving you 10 mana back.
from here on out you can cast floop into bees killing floop infinite times, giving you infinite copies of moonfire along the way!
If your opponent has a minion you can kill with 5 dmg, this loop also works with brewmaster instead of floop as brewmaster on elise, then casting her again + bees = 10mana.
Comments
At first I thought this to be a two turn combo, but as it turns out, you can do it in one!
Elise goes infinite with Floop, Floops Gloup, Bees! and Moonfire:
have only those 5 cards in hand, then play elise
your hand is 2x Floop (set to copy elise) 2x Gloup, 2x Bees! and 2x Moonfire
Cast one Moonfire on Elise, then double Gloup and cast Bees! on her.
as a result all 4 bees + elise die, giving you 10 mana back.
from here on out you can cast floop into bees killing floop infinite times, giving you infinite copies of moonfire along the way!
If your opponent has a minion you can kill with 5 dmg, this loop also works with brewmaster instead of floop as brewmaster on elise, then casting her again + bees = 10mana.
Obv this involves too much APM for ladder, but doable in single player content
While it's a neat infinite loop, it's pretty impractical in single player as well due to the fact that you need an exact 5 card hand when you go off. You either have to run a bunch of additional innervates, biology projects etc. in order to dump your remaining hand or you need to draw through your deck to guarantee it. Otherwise any card that gets stuck in hand keeps duplicating until your whole hand is unplayable. Still, cool combo, I dig it.
We could probably discount Malygos to speed things up
Someone pointed out on reddit that Elise + Floop + Twig + Naturalize could mill your opponent to death as early as turn 6