There are plenty of great combos that use legends, such as what fans call Oath of Bolas
Rika: Bonus Round (SCH Special Illustration Rare, 159) $120 Paldean Icons In the eastern regions, Rika has been one of the most popular trainers of the Scarlet & Violet era and this card is something that is making even the western regions jealous
Then you can exert it when it swings to make a hasted and attacking token that's a copy of any dork you control, for the turn only
UPDATE: Self-Mill Theme After building this deck myself and playing a good amount of EDH games with it, I found the version of this deck that doesnt have a hard win condition to be difficult
"Magic Untapped - Upping the Ante: Remembering when your opponent's Magic cards were the prize"
Mass Hysteria has many more replacements in red, but Crossroads is pretty unique for green, and therefore the decks that need this effect really want this card specifically