Some tier 3 monsters are such powerhouses or have such useful abilities that they can still be useful by end of the game (for example Red Chocobos with incredible movement, high stats, and access to Chocobo Meteor, a very powerful far-ranged attack with no cost and no charge time), but most monsters will end up with no real use other than breeding a coveted tier 3 monster in their species line, or easy poaching of rare items/equipment
Built for Commander, EDH, precon, or custom decks, they stand up to casual use and intense tournament action
When I say cards that win the game I mean cards that have very good odds on winning the game, the few that exist which actually say win the game are pretty unplayable and not worth it
While there were similar products in Magics ancient history there hasnt been a fixed starter collection in a long time
If you want to stop the Phoenix from returning, you need to kill it while it's in its Elemental phase
Most people take it a step further, giving their Reverse Holos, Holo Rares, and Ultra Rares their own dedicated pages or even their own binder