Reanimator decks put powerful creatures into the graveyard and revive them to get around their large casting costs
Box Topper Booster: A traditional foil Dracula series card The most common way to get one of these is from the single-card Box Topper booster
The World Tree might not be as powerful as any of these cards, but it has a lot of potential to push Golos decks into tier two of the Historic metagame or, at the very least, creating a fun deck for the brewers of Historic
For an aggressive deck, especially one with a Stitch theme in it, "Lilo - Best Explorer Ever" is great
With 3 Lore, players will obviously want to quest with Mickey every turn to score Lore and simultaneously make it easier to get other characters in play
That means it's likely that your opponents will have larger creatures, meaning they'll be drawing the cards, and that you'll only be adding two to three mana off of Selvala's ability, most times