Each person who buys a booster box of Ixalan will receive a foil Burning Sun’s Avatar promo (limit one per person while supplies last).
In addition, they will receive a special booster pack (limit one per person while supplies last) which will contain the following.
2 foil basic lands illustrated by Rebecca Guay
4 rares or mythic rares from Standard-legal sets
2 foils of any rarity from Standard-legal sets
1 foil Burning Sun’s Avatar (in addition to the first one)