Grim Flayer discourages your opponents from attacking and not leaving back blockers, unlike Sylvan Advocate
Unfortunately for this deck, the deck has no way of putting something back on top of the library really if one of the combo pieces (for example the 1-of Kiki-Jiki) are drawn, but those moments are fairly uncommon
When paired with mass untappers like Drumbellower, you can even grind out advantage on each opponents turn
Guilds of Ravnica has SEVEN uncommon cards in each color combination, so yeah youre going to get a few of these in your deck and be thankful for them
Hidden Fates Hidden Fates became famous because collectors loved: Shiny Pokmon cards Premium artwork Special promos Charizard GX Many fans consider Hidden Fates one of the best modern tcg sets
The combination of cant be countered and ward 4 here makes the Dinosaur tough to deal with either on or off the board, while its trample, haste, and high stats make it imperative that your opponent does deal with it