Nykthos, Shrine to Nyx Nykthos, Shrine to Nyx is a busted land in mono-color decks, mainly green ones that can provide a high devotion count with cards like Old-Growth Troll and Polukranos Reborn
The image is that you use your deck as fuel, burning (milling) it to gain momentum and unleash a barrage of consecutive attacks
Returning Keyword Ability: Bestow Originally appearing in the Theros set, the bestow mechanic lets you cast certain creatures as Auras, giving them a chance to boost another creature before they serve as creatures themselves
While Roiling Vortex deals one damage during each players upkeep and five more damage to a player whenever they cast a spell without paying mana, Sulfuric Vortex deals two damage during each players upkeep and prevents players from gaining life
Triple blue to cast is a bit restrictive, but the power level is well worth the price