Vault of the Archangel's last ability affects only creatures you control when that ability resolves. It won't affect creatures that come under your control later in the turn.
22-01-2011
wotc
Multiple instances of deathtouch or lifelink on the same creature are redundant.
Random a card of Magic: The Gathering (MTG), but you can also roll the D20 dice, random a Planeswalker, have fun with the random rules and more.