Considering how many hyena cards are in this deck, there's a ton of potential here
It provides the ability to grind out when you run out of cards, almost giving you an extra card draw each turn, but better, as it's a permanent of your choice from your graveyard, nulling any efforts by your opponent when using removal spells
Green Sun's Zenith, Chord of Calling, and Finale of Devestation We wanted to hit Tooth and Nail This can be a game ender and is similar to Defense of the Heart The setup for this one is much more minimal than Sol Ring There has been some discourse around whether In terms of the "every deck gets one Game Changer card" discussion, an important piece of the Game Changers list involves creating a safety bubble
Mabel inspires the Mice around her, giving them +1/+1 as a passive bonus, while also creating the Cragflame, a legendary equipment token that gives a creature +1/+1, vigilance, trample, and haste
Haytham Kenway is a Knight lord for decks like Council of Four and Sidar Jabari which also tucks one creature from each opponent under it until it leaves play