Any casual deck running one or both of these cards will almost certainly make the switch
Why These Picks Matter Now (Meta Snapshot) Direct answer : Early Fabled tournaments are sparse, so we're leaning on day-one lists and known synergies
Skaab Ruinator seems to be part of a lost third deck in this precon, using the graveyard from all the manifest dread cards to beneficial effect
Not only can this quickly cause your opponent's creatures to evaporate, but whenever a creature with a slime counter on it dies, you also create a 1/1 slug token
On top of this, when Hakbal of the Surging Soul attacks, you may place a land card from your hand onto the battlefield , but if you choose not to do this, you may draw a card instead
I tried my best to cover this contentious topic solely from the perspective of what would change if hybrid was changed in Commander, but I must admit, I've always been in the "you put the cards in your multicolored section when you organize your cards, so they're obviously multicolored" camp