When played alongside go-wide strategies such as Elves, for instance, Gaeas Cradle becomes a true mana-generating powerhouse
Twinblade Assassins is basically a creature version of Deathreap Ritual, which is heavily played in Golgari sacrifice builds for card drawing fun times
But as a 2/2 for four that doesn't do anything right away, more often than not, it will probably die to a Shock (or get bounced by a Teferi, Time Raveler or Elked by Oko, Thief of Crowns) before doing much of anything
You'll find burn spells to clear the way, bounce spells to disarm your opponents, and powerful copy spells to double your advantage
FALLOUT COMMANDER: BLUE He will find you, and he will pay two mana to crack you
Though mediocre in Constructed, it scales well into the multiplayer format