Geology Enthusiast [The Brothers' War]

Set: The Brothers' War Type: Creature — Human Artificer Rarity: Rare Cost: {3}{U}{U} At the beginning of your end step, create a tapped Powerstone token. (It's an artifact with “{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.”){6}: Draw a card and put a +1/+1 counter on Geology Enthusiast.