Smoot, Night's Purveyor

Flying
Constellation - Whenever Smoot, Night's Purveyor or another enchantment enters the battlefield under your control, you may look at target player's hand and the top card of that player's library.
{2}{u}{b}: Name a card. Target player reveals their hand. If a card with the chosen name is revealed this way, put it on the top or bottom of their library.