But who exactly is looking to regenerate elephants
While X spells don't always thrive there, given the prevalence of "cast without paying its mana cost" effects that like to cast them for zero, many consider ElectrodominanceElectrodominance worth the risk because it allows you to burn an opponent out with all the mana you've acquired from your rituals, then tack another spell on to continue the process for others
Evil flavor win aside, Id struggle to find a home for this unless I was specifically trying to play opponents cards
The Regent, on the other hand, offers for a relatively low mana cost (2RR) the ability to inflict three points of damage to a player as soon as a dragon becomes the target of an opponents spell or ability
If your commander dies, you can pay life instead of commander tax, so recasting it isnt a big deal
Meanwhile, if possible, it's usually best to try to cast Tainted Indulgence and Thirst for Discovery during our opponent's turn since either one will draw us at least two cards, triggering all of our payoffs