Alvis, Unknown Variable

Ward {3}, mill 3 cards and discard 3 cards
{t}: Put a creature or artifact spell from your library to your graveyard
{5}: Exile 2 creature or artifact cards from your graveyard. You gain life equal to their total toughness.
You can play those cards from exile by discarding a card in addition to their mana cost.

Knowing fate is not enough to master it.