If you have enough of an advantage, use your Leader effect to really cut into your opponent's Life in one go
That's still relevant in cards printed today
If youre still unsure about what youve pulled, its worth checking out a site like Bulbapedia for more information on the card youve pulled
For example, consider Shaile, Dean of Radiance
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
There are way more combos to deal with in that deck, and also location cards play a far more important role in its strategy