Base Camp
Land
This land enters tapped.
: Add 
.
: Add one mana of any color. Spend this mana only to cast a Cleric, Rogue, Warrior, or Wizard spell or to activate an ability of a Cleric, Rogue, Warrior, or Wizard.
A new dawn, a new adventure.
Jokubas Uogintas
Zendikar Rising (ZNR)
• #257Rulings
The mana generated by Base Camp’s last ability can’t be spent to activate abilities of cards that aren’t on the battlefield or to pay a cost in a resolving triggered ability.
(wotc • 2020-09-25)
Rulings
The mana generated by Base Camp’s last ability can’t be spent to activate abilities of cards that aren’t on the battlefield or to pay a cost in a resolving triggered ability.
(wotc • 2020-09-25)