Lava Tubes
5e7c2cf6-f36f-451b-bba5-19a82c659c4c
$1.00 CND
Lava Tubes doesn't untap during your untap step if it has a depletion counter on it.
At the beginning of your upkeep, remove a depletion counter from Lava Tubes.
{T}: Add {B} or {R} to your mana pool. Put a depletion counter on Lava Tubes.