Flying, vigilance, lifelink

When Avacyn, Bringer of Hope dies, return it to its owner's hand at the beggining of the next end step.

Madness {4}{B}{R}— Cast this spell this way transformed. (If you discard this card, discard it into exile. When you do, cast it for its madness cost transformed or put it into your graveyard.)

Flying, vigilance, menace

Whenever Avacyn, Harbinger of the End attacks or blocks, discard a card.

Delirium— Avacyn has annihilator 3 as long as there are four or more card types among cards in your graveyard. (Whenever it attacks, defending player sacrifices three permanents.)