Wizards of the Coast (the original designer-manufacturer of the cards in the U.S.) produced a few tens-of-thousands of sealed packs of various print runs, and that was it
Hmm Azor's Elocutors Chance Encounter Darksteel Reactor Faithbound Judge / Sinner's Judgment Helix Pinnacle Simic Ascendancy Strixhaven Stadium The Millennium Calendar Combat Damage Triggers Phage the Untouchable has what I like to call mega-infect. All the cards listed below basically kill your opponent if they deal damage to them, plus a few other conditions in some cases
You can pick up a copy of the card today for $33, just a little more than what most stores charge to compete in a Set Championship
Popular MTG Arena meta sites all seem to have a section that will show you the meta percentage of a particular deck, so you can determine whats being played the most out there, and you can use that information accordingly
Don't mess with me, Rules Lawyer
For three mana, Eerie Interlude exiles any number of Creatures that you control and brings them back in the next end step