Surveil abilities that allow you to put the top card of your deck into your graveyard if you choose, and looting cards like Locke Cole can be good ways to fill your graveyard and comb through your deck for appropriate late-game threats
Monsters that are Fusion Monsters, just like Synchro, Link and XYZ Monsters, are stored in your Extra Deck
You'll find these archetypes, along with a few more, in Quinton's pack
Playing an enchantment that probably doesnt impact the board the turn it comes down risks a big tempo loss, but the payoffs dont get much better than this
You have many options for artifact removal, but this ones worth considering if any of those effects run rampant at your LGS
This Scientist arrives with a Lander and then when you sac any artifact you'll Shock one foe