At the beginning of your upkeep, Forge Precipice deals 1 damage to target creature you control.
: Add to your mana pool. If you played a land this turn, Add to your mana pool instead.
: Target creature loses all landwalk abilities until end of turn.
: Add 
to your mana pool. If you played a land this turn, Add 
to your mana pool instead.: Target creature loses all landwalk abilities until end of turn.
