It wont copy other effects that have changed the targeted creatures power, toughness, types, color, or so on
The casualty ability is nice, but ultimately cards like this are too expensive for how little they accomplish when not used as a combo piece
Whenever you gain life, each Advisor, Artificer, and Monk you control gains vigilance and gets +X/+0 until end of turn, where X is the amount of life you gained
Hell, in that case, the Borderless Poster version of Saruman is the perfect Commander, a true flavor win in a meta sense
As a result of this, the decks should have a lot of easy and obvious avenues for improvement
This can feel like youve handicapped yourself, but the Archon's nonbasic land hate gives you a slight advantage by slowing any multicolor deck down significantly