Ovid, The Hundred Eyes

•Flying, Devour, Trample, Vigilance
•Ovid's power and toughness are equal to your Devotion to W,U, and B plus one.
•Whenever another creature you control leaves
play, put +1/+1 counters on Ovid equal to that creature's power.
{bull} {4}, return a spell to it's owners hand.
{bull} When Ovid leaves play, mill target player for a number equal to the number of +1/+1 counters on Ovid. Create three Cache tokens.