Gaer Brylls, Delirious

When Gaer Brylls, Delirious enters the
battlefield put the top 4 cards of your library
into the graveyard. For each nonland put
into your graveyard, you gain 2 life.
Delirium - Gaer Brylls, Delirious gets +3/+3 and
menace as long as their are 4 or more card types
among cards in your graveyard.