+tubes (2)
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.
: Add or . Put a depletion counter on Lava Tubes.
: Add one mana of any color.
, : You get (a ticket counter).
Gatherer works better in the Companion app!