Progenitor's Icon

A mana rock that also hands a chosen tribe pseudo-flash is a stranger design than it reads, because the two abilities pull in opposite directions. The first taps for a color to build the board; the second taps to buy a timing window, and both cost the same tap, so any turn you use the flash mode is a turn the rock stops ramping. You spend the artifact's mana production to let the next spell of your chosen type hit the stack as though it had flash: one spell, one turn, one named type, a narrow window that keeps a repeatable flash-granter from spiraling into a permanent open-mana threat. What it can flash is broader than a creature, though, since the ability keys on the chosen type rather than the card type. Any spell sharing that type qualifies, which folds in the Kindred and Tribal sorceries (a Bitterblossom named to the right type, or a tribal burst spell you would otherwise be stuck casting on your own turn) alongside the obvious creatures. That widens the ambush toolbox: hold up a tribal payoff on an opponent's end step, flash a blocker into a swing that was supposed to be safe, or land a sorcery-speed Kindred spell at instant speed. Where it earns its keep is a shell committed to one creature type that wants both fixing and surprise. Outside such a build, the second ability rarely fires, and it settles back into a plain three-mana rock.