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.
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.