James Gates

Hexproof
James Gates can't be countered.
{x}, regenerate James Gates
{t}, add {x} of any mana to your mana pool.
{t}, tap {x} target creatures. Those creatures don't
untap during their controller's untap step.
If no one is dealt damage this turn, exile James
Gates, search your hand and deck for a card called James, Aether Mage, and place it in your hand.