But seek the advice of a professional grading service
The power level of Hogaak when it draws its namesake card is simply night and day different and it is involved in almost all the decks broken draws
I wasn't a big fan of Drilbur because it may not do any damage every turn, I am not a fan of this Excadrill card because it only does below average damage every turn and is very slow on the attack, until you utilize its Ancient Trait, making this card able to do 100 damage a turn, which is well above average damage
Yes, itll be sweet when you have UUU up to save one of your creatures from a removal spell and bounce one of theirs, but that corner case is likely going to happen less frequently than you needing to bounce something of theirs but them having UU up
Thanks to the slower nature of Commander, you should have ample time to set the combo up, as well, but it will have a smaller impact on the game thanks to having four opponents