Splinter, Aging Champion If Splinter, Aging Champion were a different color it would not make this list, but white is excellent for flicker which means this approaches Thragtusk-level in use and is a great reason to make an EDH politic deal
Think of all the extra basic lands, the extra Seize the Spoils copies you pulled from Secrets of Strixhaven , the Goldvein Picks from Foundations , or the many commons, uncommons, rares, and mythics that dont see as much gameplay as the staples in various formats
Additional components such as a playmat, counters, rule booklet, and promo card
You can use Gallant to either add any Rock monster to your hand or Special Summon a Rock monster from your hand in face-down Defense Position at the cost of detaching one XYZ material