We've also dug through the archives to find the different expressions of Ravnica in sets outside the core Ravnica blocks to add some new flavor to a familiar location
Giving a single creature fear for a turn with Aphotic Wisps is fine, but the card always replaces itself, which means theres a really high floor already
The ability that defines Barrowgoyf's power and toughness counts card types, not cards
This Duskmourn: House of Horror Endless Punishment Commander Deck includes 1 deck of 100 Magic cards (98 nonfoil cards and 2 Traditional Foil Borderless Legendary cards), 10 Archenemy cards, a 2-card Collector Booster Sample Pack (contains 1 Traditional Foil or nonfoil alt-border card of rarity Rare or higher and 1 Traditional Foil Uncommon card), 10 double-sided tokens, 1 deck box (can hold 100 sleeved cards), 1 strategy insert, and 1 reference card.
There's obviously a ton of themes you can focus on for Tribal Tribal, but for the sake of my sanity I'm only highlighting two themes here that are generally opposed to each other