Sorcery, UU (2)
Rare
Target player activates a mana ability of each land he or she controls. Then put all mana from that player's mana pool into yours.
Illus. Jerry Tiritilli

10/4/2004: This card forces the target player to draw mana from lands if they are untapped, but that player can choose how to draw the mana if a land he or she controls has multiple mana abilities, or mana abilities with choices.
10/4/2004: Since this is a Sorcery, your opponent may use Instants and abilities of permanents in response to this spell before you get the mana from their mana pool and lands.
10/4/2004: If a land can draw a variable amount of mana, the target player (not the player of this spell) chooses how much to draw.
Legal in Vintage (Type 1)
Legal in Legacy (Type 1.5)
Legal in Classic (MTGO)
Legal in Commander