I dont think itll stir up too much trouble in Standard, but it may prove an effective hatebears or aggro commander in EDH
In fact, some of those even show up in the MTG crossover on cards like Yiazmat, Ultimate Mark ( Final Fantasy XII ), Omega, the Heartless ( Final Fantasy XIV ), and Absolute Virtue ( Final Fantasy XI )
Four mana for a 2/4 reach Deathtouch is already pretty decent, but then it also has a way to fix your mana on top
Adding the age counter and requiring the upkeep cost happens on the same trigger
In my experience, the race to 20 points usually takes 20-25 minutes for a single game, longer when Im playing against my daughter
So it is well positioned in the current meta and that is evident by it's top win rate