Like all loyalty abilities, it can be activated only once per turn, during your main phase, when the stack is empty, and only if no other loyalty abilities of the planeswalker have been activated this turn
However, when not needed to stabilize the board, Vivien's +1 ability presses a player's advantage by providing a steady stream of card selection in the form of creatures and lands from the top four cards of the library
As long as equipped creature is attacking, it has first strike and must be blocked by a Dalek if able
Forcing an opponent to pay 2 more often shuts down a key play, and in tempo decks with Delver of Secrets or Tolarian Terror, that kind of timely disruption can be game-winning
We couldnt be happier
#99 Archangels Light (Dark Ascension) Why is it bad