Instant kill

Target player gains control of target permanent you control.

Each other non-Aura enchantment is a creature in addition to its other types and has base power and base toughness each equal to its mana value.

Cumulative upkeep (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) When this enchantment enters, you gain 20 life. When this enchantment leaves the battlefield, you lose 20 life.

(: Add .)