Other categories have lesser presence with Enchantments at 8, Instants at 3, and Planeswalkers at 1

Release date: 2003-10-02 Altar's Light Arrest Auriok Bladewarden Auriok Steelshaper Auriok Transfixer Awe Strike Blinding Beam Leonin Abunas Leonin Den-Guard Leonin Elder Leonin Skyhunter Loxodon Mender Loxodon Peacekeeper Loxodon Punisher Luminous Angel Raise the Alarm Razor Barrier Roar of the Kha Rule of Law Second Sunrise Skyhunter Cub Skyhunter Patrol Slith Ascendant Solar Tide Soul Nova Sphere of Purity Taj-Nar Swordsmith Tempest of Light Annul Assert Authority Broodstar Disarm Domineer Dream's Grip Fabricate Fatespinner Inertia Bubble Looming Hoverguard Lumengrid Augur Lumengrid Sentinel Lumengrid Warden March of the Machines Neurok Familiar Neurok Spy Override Psychic Membrane Quicksilver Elemental Regress Shared Fate Slith Strider Somber Hoverguard Temporal Cascade Thirst for Knowledge Thoughtcast Vedalken Archmage Wanderguard Sentry Barter in Blood Betrayal of Flesh Chimney Imp Consume Spirit Contaminated Bond Disciple of the Vault Dross Harvester Dross Prowler Flayed Nim Grim Reminder Irradiate Moriok Scavenger Necrogen Mists Nim Devourer Nim Lasher Nim Shambler

Being able to draw a card every time you cast or copy an instant or sorcery is an easy way to get card advantage
In some ways, MTG is taking a leaf out of Pokemons playbook
Think of the following: Goblin Tomb Raider, Brightblade Stoat, and Centaur Courser
It costs mana, but doesn't cost life, and if you're feeling generous you could even target a different player