Felothar comes loaded with another ability to sacrifice another creature and pay three mana to draw cards equal to the sacrificed creatures toughness and discarding cards equal to is power
These cards were introduced in the 2000 set Team Rocket to represent Pokmon whom Team Rocket had bred and raised to be as fierce as possible
So why are we playing blue
How I'd handle upgrading with the Sultai Mutate Commander 2020 deck is by pulling out Zaxara, the Exemplary and the X-spells to build an X-spell-based Hydra deck and then using the mutate cards from the deck to build around some of the most powerful mutating legends from Ikoria itself
Bear in mind that you can only play a Basic Pokmon, so no evolutions, VMAX, VSTAR cards, and so on
The Tablets generic costs and usefulness make it a candidate for just about any deck, but it excels in those that can distribute extra oil counters, such as decks with a proliferate sub theme