one piece emperors in the new world booster box Japanese OP-09 TCG Four : Toys & Games Luffy and Buggy finally appear alongside Shanks and teach as the new Four Emperors CoreTCG - One Piece Card

There are around 13,590 Beta Uncommons and 48,100 Beta Commons

It also helps that its just so tiny

$0.49 Impulsivity Lorwyn Eclipsed Commander Decks $0.49 Belonging Lorwyn Eclipsed Commander Decks $0.35 Glister Bairn Lorwyn Eclipsed $0.49 Lamentation Lorwyn Eclipsed Commander Decks $0.49 Eventide's Shadow Lorwyn Eclipsed Commander Decks $0.49 Village Pillagers Lorwyn Eclipsed Commander Decks $0.49 Jubilation Lorwyn Eclipsed Commander Decks $0.49 Subterfuge Lorwyn Eclipsed Commander Decks $0.49 Aberrant Return Lorwyn Eclipsed Commander Decks $0.49 Primal Beyond Lorwyn Eclipsed Commander Decks $0.35 Prismatic Undercurrents Lorwyn Eclipsed $0.35 Prismabasher Lorwyn Eclipsed 0 results found

The answer is that it's a creature type that has a lot of backward compatibility