At the beginning of your upkeep, Obsidian Turf deals 1 damage to target creature you control.
: Add to your mana pool. Return Obsidian Turf to its owner's hand.
: Regenerate Obsidian Turf.
: Add 
to your mana pool. Return Obsidian Turf to its owner's hand.: Regenerate Obsidian Turf.
