Seer of All Begone

When Seer of All Begone enters the battlefield,
return a permanent you control to its owner's
hand.
Whenever an opponent draws a card, choose one
that hasn't been chosen since your last upkeep-
• Draw a card.
• Discard a card.
• Exile Seer of All Begone, then return it to the
battlefield.
{10}{u}, {t}: Transform Seer of All Begone.