The deck would lose some consistency, but you gain so much more explosiveness and resiliency that it would be an easy inclusion, especially when combined with Lurrus of the Dream-Den
Im even going to try this one out: Creatures (23) 4 Rattleclaw Mystic 3 Whisperwood Elemental 3 Den Protector 2 Deathmist Raptor 3 Nissa, Vastwood Seer 4 Hangarback Walker 2 Oblivion Sower 2 Ulamog, the Ceaseless Hunger Planeswalkers (3) Lands (26) Spells (8) From Beyond gets better when the 1/1s actually threaten to trade with stuff and when you go up on fetchable Eldrazi options
If you look at every successful tournament deck ever, with very, very, very rare exceptions, they all play exactly 60 cards
This card brings unparalleled deckbuilding and piloting complexity with a seemingly limitless ceiling of mastery
Time Walk pairs perfectly with some of the best blue cards MTG offers for control, letting you activate any top-tier Planeswalkers twice before opponents can even react