Vault of the Archangel

Oracle Text

T: Add C.

2WB, T: Creatures you control gain deathtouch and lifelink until end of turn.

Card Rulings

1/22/2011 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.
1/22/2011 Multiple instances of deathtouch or lifelink on the same creature are redundant.