Avon, Knowledge Filled

Flash, Flying, Protection from red and green
When Avon, Knowledge Filled enters the battlefield exile the top three cards of your
library. You may cast up to one blue instant spell exiled this way without paying its mana cost
until end of turn. At the beginning of the next
upkeep shuffle the rest into your library.
{t}, Tap two other untapped blue permanents,
Return Avon, Knowledge Filled from the battlefield to its owner's hand.