The only good example that comes to mind is a blue build (hence needing removal) that has cards like Vedalken Engineers, Trinket Mage and Grand Architect
Gust of Wind could be a really useful card, as it let you switch your opponents active creature with one of their benched ones
This white creature sees some play in Pauper-related formats, while being a solid 3/3 flier with additional upside in multiplayer games
While other cards on this list didnt make a splash on the competitive TCG scene, Alakazam surely did
Sure, you'll lose your defensive double strike, but since when are you not tapping all those double strikers anyhow
Colorless is not a Type, it is a lack of Type, and is not part of a Pokmons Type Identity