Most deck builders let you goldfish against yourself
A couple of tutors like Personal Tutor and Scheming Symmetry ensure you have whatever cards you want to cast perhaps Expropriate to get some extra swings in, Breach the Multiverse to build an imposing board state, or Mnemonic Deluge for an encore of your greatest hits
It is known as a simple card game for most people
Ramp can appear in different shapes and forms: Land-Based Ramp (Cultivate, Rampant Growth) Mana Dorks (Llanowar Elves, Bugenhagen, Wise Elder) Mana Rocks (Mind Stone, Basalt Monolith) Treasure-Makers and other artifact token producers (Smothering Tithe, Sarinth Greatwurm) Extra land drops (Exploration, Exploration Broodship) Land Recursion (Crucible of Worlds, Aftermath Analyst) Rituals (Dark Ritual, Mana Geyser) Cost Reduction (Honest Rutstein, Stormcatch Mentor) Eldrazi Spawn & Scion producers (Eldrazi Skyspawner, Kozilek's Predator) Mana Doublers (Mirari's Wake, Groundchuck & Dirtbag) Temporary mana abilities (firebending) This ranking will cover many of these forms of ramp, but will leave some more specific ones like Treasure-makers to their own separate list
The bare necessities
Enchantment Color tag templates(None) Demonic Tutor Search your library for a card, put that card into your hand, then shuffle