Power Leak
{1}{U}
Enchantment -- Aura
Enchant enchantment
At the beginning of the upkeep of enchanted enchantment's controller, that player may pay any amount of mana. ~this~ deals 2 damage to that player. Prevent X of that damage, where X is the amount of mana that player paid this way.
Power Taint
{1}{U}
Enchantment -- Aura
Enchant enchantment
At the beginning of the upkeep of enchanted enchantment's controller, that player loses 2 life unless they pay {2}.
Cycling {2} ({2}, Discard ~this~: Draw a card.)