Yutas activated ability works okay as a way to sneak in card draw for yourself on an opponent's turn, flashes in for just bonus cards a lot of the time, and it's a decent way to trigger your forced draw payoffs
When a Field Spell that is already face-up on the field activates its effect (Quick Effect): You can shuffle 1 of your monsters that is banished or in your GY into the Deck, or if that monster mentions that Field Spell, you can Special Summon it instead
Not only will you start with the basics (and then work your way up), but there are some good archetypes that you can get with just the booster packs from the original series, such as Red Eyes Black Dragon, Blue Eyes White Dragon, and Dark Magician
Some of the best Normal Spells allow you to Special Summon a monster from the deck
Six of its possible Fusions correlate toward a specific Attribute, while a seventh one uses an Invoked monster with another Extra Deck monster