cards that change creature type mtg Commander card changes all types? Changeling in MTG: Rules, History,

Obelisk the Tormentor [Best Classic Powerhouse] Obelisk the Tormentor stands out as one of the strongest cards in Yu-Gi-Oh

Obviously whether this is good or not will depend on what threats are actually played, but its the kind of card that can dictate what can and what cannot be played, so it has the potential to shape the metagame if the right deck for it emerges

youd definitely like to change the color of one of your red creatures so that you can block that creature attacking you equipped with Sword of Fire and Ice

This is an entirely different error than a piece of tape stuck to the surface of the sheet which has been printed on top of, but looks almost identical without close scrutiny