(They have been Kothophed, Soul Hoarder a 6-mana 6/6, and Griselbrand, an 8-mana 7/7
The artwork is stunning on this piece
If so, that cuts down on the ambiguity and reduces the potential advantage of the player with the card cheating
It also plays nicely with keywords like lifelink and deathtouch since your commander deals damage and you still get a good combat step since your creatures deal damage
Youre playing a Temur deck after all, so you should ramp fairly quickly into the requisite 4 mana, and weve got more than a few counterspells to keep them around for a whole rotation
If that player doesn't, you mill X cards, where X is the number of influence counters on Palantr of Orthanc, and that player loses life equal to the total mana value of those cards