In Magistus I , he puts his imposter in his place by showing what real invocation magic can do by crushing the imposter's summon using his own summon with utter ease, and in Magistus IV , he summons a massive dragon strong enough to momentarily subdue Vahram
With a new way to play, new norms would be discovered and I think dusting should be one of those in some form so that players have more power over their collection
: This creature becomes the color of your choice until end of turn
Jikaishin Zaphion / Zaphion, the Timelord Level 10 WATER Fairy-Type Effect Monster ATK 0 DEF 0 Cannot be Special Summoned from the Deck
However, sometimes you have a bunch of mana that needs to be used for creatures and dont quite have ten for Ulamog, so I can see this being situationally good
There is an argument to be made that the MTG community is highly aware of the appearance of MTG cards, unusually so in the world of trademarks, and that they would be able to recognize altered cards because of their sophistication