Scion of Draco also fits multicolor decks pretty well, being able to give plenty of combat-related bonuses to gold creatures, and surprise, surprise, Leyline of the Guildpact also helps with these bonuses, extending them to all creatures including the Scion itself
Apart from being solid, on-tribe creatures, Regal Leosaur, Cubwarden, and Snapdax, Apex of the Hunt offer some sneaky extra upside by allowing us to (essentially) have extra copies of powerful legends like Rin and Seri, Inseparable or Kaheera, the Orphanguard on the battlefield by mutating on top of them to change the name
The back of the card
This doesnt seem like much, but over the course of your average Commander game, this is going to draw you a lot of cards with very little effort
That calculation was done by using the population (size of the deck), number of successes in the population (amount of mana sources), and the sample size, which is the number of cards youve drawn from the deck by the time you reach the target turn
And it wont be that hard to find ways to gain large amounts of life and get to reanimate very powerful threats fairly early