If your card has some holographic foil on it, chances are its going to be worth a lot more than something that doesnt
When Cultivator Colossus enters, you may put a land card from your hand onto the battlefield tapped
Alistair, the Brigadier Artificer's Assistant Basim Ibn Ishaq Cabal Paladin D'Avenant Trapper Daring Archaeologist Diligent Excavator Elena, Turk Recruit Glin, Dwarf Emissary Jamie McCrimmon Jhoira, Weatherlight Captain Lingering Phantom Mishra's Self-Replicator Moira and Teshar Sarah Jane Smith Serra Disciple Surtr, Fiery Jtun Teshar, Ancestor's Apostle The Sixth Doctor Traxos, Scourge of Kroog Traxos, Scourge of Kroog
Stuff like, "I want to draft a black aggro deck so gravecrawler looks good, hey look all of my other black aggro beaters happen to be zombies." What I think of as a real tribal deck, is a deck where each addition of the tribe to the board is building up this interlocking engine that eventually just crushes the opponent