Unless you have a strong art preference, it's best to save your mythic wildcards for cards that don't have a lower-rarity version
Since all Utopia monsters are Xyz monsters, you can only stack about 3 to 5 Utopias in the graveyard if you go through the trouble of continuously stacking other Utopias on top of the Utopia and then send that card to the graveyard
If a spell creates a delayed triggered ability, the source of that delayed triggered ability is that spell
Shes a solid defensive force until you have at least three other creatures, at which point she can go into battle herself
Doubling ETB effects can make decks that rely on ETB triggers extremely difficult to deal with in little time at all
Although Pokmon TCG Pocket just went live for players a week ago, several events, including the Lapras EX drop event, are already taking place