This can be used for ramp, card draw, or building a creature presence
Sideboarding is a complex topic that could be the focus of an entire article, but if you have never done it before, I'll outline two simple sideboarding methods here
This is not true for Marnie: when she's played, both players shuffle their hands and put them at the bottom of their decks, followed by the opponent drawing four cards and the player drawing five
Aside from the one
4/2 Artist: Yoshitaka Amano Esper Terra Legendary Enchantment Creature Saga Wizard (As this Saga enters and after your draw step, add a lore counter.) I, II, III Create a token that's a copy of target nonlegendary enchantment you control
OR If you control an Ultimate Crystal monster: Activate 1 or both of these effects