That means you wont find filler commons here, only the cards that truly matter in Commander, cEDH, Legacy, Vintage, and Cube
Hokori can be paired with powerful stax pieces like Loxodon Gatekeeper to further slow down the game
Auras: the double-edged sword Auras are enchantments, so they trigger constellation and Kor Spiritdancer but they carry a real risk most beginners learn the hard way
Other cards will help you fill your side of the table with item cards by reducing their cost or even playing them for free, granting you bonus abilities on your turns from then on - from gaining extra lore and drawing more cards to increasing characters strength and willpower
Keyword counters were introduced in the Ikoria: Lair of Behemoths set
See why this thing is here