Magery
Theme
Mana Reflection
4GG
Enchantment
If you tap a permanent for mana, it produces twice as much of that mana instead.
Prices
EUR Foil
$6.05
EUR Nonfoil
$1.33
TIX Nonfoil
$0.03
USD Foil
$5.58
USD Nonfoil
$2.39