Aeon, Silent Witness

Eminence- When an opponent casts a spell, pay {w/u}. If you do, place {e} on this card. This card retains all {e} when moving between field and command zone.
Unblockable, indestructible, vigilance, reach
Permanents you control have Ward 3.
At any time you could cast an instant:
•{e}{e}{e}: Look at the top X cards of your library,
where X is your devotion to blue. Return them in
any order, then draw a card.
•{e}{e}{e}{e}{e}: Target opponent discards.
You may draw up to two cards