Name
Porphyry Nodes
Set Name
Time Spiral Remastered
Set Type
Masters
Mana
Type Line
Enchantment
Rarity
Rare
Oracle Text
At the beginning of your upkeep, destroy the creature with the least power. It can't be regenerated. If two or more creatures are tied for least power, you choose one of them. When there are no creatures on the battlefield, sacrifice Porphyry Nodes.