That much is fairly simple, but it's not the only thing that happens when you cast a spell
Kind of like a rebound effect, but much better
(Don't lay your noncreatures out at this point unless they're cards you are planning to play as soon as you have that much manafor example, you will generally cast a [autocard]Tolarian Scholar[/autocard] on turn three, whereas [autocard]Murder[/autocard] isn't usually a turn-three play.) A good "mana curve" of creatures is crucial to a successful Sealed deck
Originally conceived as part of a cycle of boons (cards which give you three of something for one mana), Richard Garfield was convinced by friends that Ancestral Recall was too powerful to be a common
I think the best thing to do is lean into the dinosaur synergy, while also making it easier to trigger Pantlazas discover X every single turn
But it is a two-mana rock that'll tap for the color you need most