From the Ashes [Commander 2013] Snake Druid he picked up a rock

he picked up a rock

Sure enough

Sacrifice it at the beginning of the next end step if it has mana value 3 or less

Set: Foundations Type: Legendary Creature — Elder Dinosaur Rarity: Rare Cost: {10}{G}{G} This spell costs {X} less to cast

Set: Wilds of Eldraine Commander Type: Enchantment Creature — Dryad Rarity: Rare Cost: {1}{G} T: Add X mana of any one color

From the Ashes [Commander 2013] Snake Druid he picked up a rockSet: Commander 2013 Type: Sorcery Rarity: Rare Cost: {3}{R} Destroy all nonbasic lands. For each land destroyed this way, its controller may search their library for a basic land card and put it onto the battlefield. Then each player who searched their library this way shuffles it.