Perhaps the most notable changes in the game's history have occurred with the Fiend-type because its monsters are not as off-putting as they once were
The Home Screen lets you see a big portrait of the character youre currently using and/or their deck floating around
For ages people have cried out for a Sanctuary in the Sky remake so that Sanctuary Agents can actually be what they always wanted to be
The second time you do it, you shoot each other player and dork they control for two damage
In standard it was the core to the aptly named Puresteel Paladin deck, using its main ability to draw into more action and later on the metalcraft ability to cheat out on some equip costs, but it has also seen play in Cheerios, a deck based around 0 mana artifacts and Paradoxical Outcome to eventually cast Grapeshot, and most recently in Hammer Time, which focuses on Colossus Hammer, where Puresteel Paladin once again comes in to both help circumvent equip costs
Then in college, I found Magic the Gathering and fell in love with that game too