Five mana to answer one creature just isnt very efficient, and the equipment destruction upside is tied to this evaluation as well
For example, having an Urborg, Tomb of Yawgmoth in play adds the swamp land type to all your towns, and future town cards might have basic land types as well
A Word on Replacement Effects Doubling Season | Illustration by Richard Wright There are two stopgaps that might make someone think this combo doesn't actually work as described, so let's just touch on the relevant replacement effects here and how they actually work
Not to mention you can target specific threats in a pinch to steal them away
I love that Jaya gets to steal the spotlight and show everyone just how good burn was back in the 90s
Sultai Towns: This can either be UG or GB base, and often splashes, with some graveyard synergies in the heavier black versions