Dallenar of Many Faces

Ninjutsu {u}{u}{b} - mill 3 cards.
Hexproof
When Dallenar deals combat damage to a player
you may look at their hand and top card of their
library. Exile one of those cards or a card in their
graveyard, then mill cards equal to it's mana
value. Until the start of your next turn you may
cast that card without paying it's mana cost.
{t}, {u}: Tap target creature, or return target
tapped creature to it's owners hand. If you target
Dallenar, mill 3 cards.