I love legendary creatures that suggest flavorful tribal builds
You have very little wiggle room for cards that don't interact with the board directly, so keep things like pure card draw spells and discard spells to a minimum
Beyond that I'd focus on picking up powerful staples, like Vampiric Tutor, Demonic Tutor, and Diabolic Intent swapping in for weaker tutors, and Cyclonic Rift for that sweet one-sided wipe
Previously, cards were also sold in Tournament Packs typically containing three rares, ten uncommons, thirty-two commons, and thirty basic lands
x 13.5 in., this playmat also makes an excellent oversize mousepad for home or office.
The creature type, Astartes, represents the Space Marines from Warhammer 40k