It goes something like this: Pay 2, activate Soulbright Flamekin targeting Agrus Kos
If your opponent has an oppressive artifact or enchantment, knock it out and cycle Kogla and Yidaro into your library, and hopefully you'll see the ape dinosaur turtle again soon
I'll admit I was initially a little worried about Tarkir: Dragonstorm , especially when Final Fantasy card previews started to pop up first, despite Tarkir being next to release
Where I praised coven for how well it could play with cards from any Magic set or archetype, day/night is a great example of a mechanic which will set a deck or draft format apart from others in Magic
He is incredibly flexible too, making for a great Mill Commander, discard Commander, aristocrats Commander, or generic good stuff Commander