While just being a free card in hand might not be enough to push Lurrus of the Dream Den into ANT's sideboard, the Cat also works absurdly well with Lion's Eye Diamond, the main engine piece of the deck
This card is fantastic, and all it asks of you is that you play a low curve
Against combo decks, being able to evoke Grief then reanimate it back on turn one is sometimes enough to win games on its own
You can also board into cheap ways to counter your opponent's spells, like Dispel or Spell Pierce
Gush may seem weak at first, but its only legal in Commander and Restricted in Vintage
You can flip through the gallery below to see nine cards arriving in Jumpstart: Historic Horizons (including two reprints, one from Modern Horizons), and read on to learn how their new mechanics work and why Wizards of the Coast decided to take Arena this direction: Similar to the original Jumpstart, Historic Horizons cards can be added to your collection either by using wildcards or by participating in a timed event (ending September 9) in which you pick two themed packs from a possible 46, combine them into a single deck, and then compete against other players