Buy @ TCGplayer
{T}: Untap target land.
Threshold — {T}: Untap up to three target lands. Activate only if seven or more cards are in your graveyard.
Krosan Restorer’s activated abilities aren’t mana abilities. They each use the stack and can be responded to. Notably, they can’t be activated while you’re casting a spell or activating another ability. If you want to use Krosan Restorer to add enough mana to pay for a spell or ability, you may tap land(s) you control, untap them with Krosan Restorer, and tap the lands again all before you start casting a spell or activating an ability.
