The Magic media is pretty shitty since everyone tries to act professional, but in reality its more like hey, we need to tell the public what it wants since this decides if we get to put food on the table or not
Kindred, formerly known as "tribal," was a card type introduced in Lorwyn to help expand typal themes to noncreature cards
Key to the City 6.5 Ticks a lot of the boxes you want from your discard outlets and has a few more bonuses on top of that
The simplest answer is graveyard hate, with cards like Leyline of the Void, Rest in Peace, and Relic of Progenitus being among the best in the format at fighting Dredge and Surgical Extraction also offering a decent amount of value if you can get the timing right (exiling Narcomoeba or Bloodghast makes it hard for Prized Amalgam to return to the battlefield, while getting rid of Creeping Chill with the "exile" trigger on the stack will fizzle the damage)
He's a dragonborn Ancestral Guardian barbarian, going into a rage and summoning the ghostly forms of his dragonborn ancestors to aid him in battle