One Magic "learn to play" guide
Not because it actually makes more kills possible, but because it makes them easier
Brash Taunter Burn from Within Crackling Emergence Diamond Pick-Axe Hazoret the Fervent Hazoret, Godseeker Hour of Devastation Myojin of Infinite Rage Myojin of Roaring Blades Old Hob, Alleycat Blues Purphoros, Bronze-Blooded Purphoros, God of the Forge Purphoros, God of the Forge Rebel Salvo Sarkhan, the Dragonspeaker Slobad, Goblin Tinkerer Smite the Deathless Solphim, Mayhem Dominus Soul Sear Ulrich's Kindred
Plenty of these cards are still available for sale online and are easy to find, and some go for thousands
Sometimes you write down a story moment when making Universes Beyond cards and only have to tweak a few words to get a line of Magic rules text