If the target creature is an illegal target as Faller's Faithful's ability tries to resolve, it won't resolve and none of its effects will happen
Anything lower on the grade scale wont grow in value as quickly
Beyond that, though, its Middle-earths place in the Multiverse that is most up for debate
Some good tricks to consider are the bloodrush cards, which channel a creature in your hand into a pump spell, Ghor-Clan Rampager, and Rubblehulk are good examples, and cards like Balduvian Rage, Tyvar's Stand, and Downhill Charge
We have more than a few card variants to look for, and thankfully, weve got all the information we need to calculate drop rates
I get that it's frustrating to not be able to "do your thing," but every game of Commander should present some challenges