Pandora

Hexproof
Pandora can't attack or block.
At the beginning of your upkeep, place a time
counter on Pandora.
Remove 2 time counters from Pandora: Pandora
fights target creature, +4/+4 until end of turn.
Shuffle Pandora into its owner's library.
{2}{u}{t}: Target creature gains one of the
following abilities until end of turn; Flying, Vigilance, First strike, or Skulk.