mtg vivien cards War of the Spark Rare Vivien, Champion of the Wilds #180 Create a 3/3 green Beast creature token Magic the Gathering set boosters

This turns a board full of Pest and Bat tokens into a massive mana discount for your removal and finishers

This allows you to take advantage of potent sacrifice outlets, as Gravecrawler can simply be cast again and again after its sacrificed

at the very least, dont go above three

Similarly, cards like Teferis Protection (34,379 decks on EDHREC) and Heroic Intervention (54,217 decks) turn most advantages you might gain into more advantage for them

This means your deck is naturally limited to what Avatar: The Last Airbender provides

That means there was going to be some crazy foreshortening, which can be really hard when you are just trying to paint it from imagination