Melaren, Master Arcanist

Hexproof
Whenever a source you control deals noncombat
damage to an opponent or a permanent he or she
controls for the first time each turn, choose one -
• Draw a card.
• Gain 4 life, then target opponent loses 2 life.
• Double the noncombat damage dealt by target
source you control.
{bull} Untap target permanent you control.