When the ground is saturated with mana
{1}: Target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value until end of turn
Set: Shadows over Innistrad Prerelease Promos Type: Legendary Artifact Rarity: Rare Cost: {5} At the beginning of your upkeep
Set: Eternal Masters Type: Sorcery Rarity: Rare Cost: {X}{G} Search your library for a green creature card with mana value X or less
Set: Commander's Arsenal Type: Legendary Creature — Human Advisor Rarity: Rare Cost: {3}{R} {T}: Destroy target creature of your choice
Icy Manipulator [Friday Night Magic 2005] Tribal Enchantment When the ground is saturatedSet: Friday Night Magic 2005 Type: Artifact Rarity: Rare Cost: {4} {1}, {T}: Tap target artifact, creature, or land. In fire there is the spark of chaos and destruction, the seed of life. In ice there is perfect tranquility, perfect order, and the silence of death.