Enlightening Scriptures

This spell costs an additional {3} to cast. This cost
is reduced by {1} for each time you've gained life
this turn.
Create an emblem with ''Whenever one or more
white cards are put into your hand, you may
reveal those cards. If you do, then you gain life
equal to the number of cards in your hand.''
Flashback—{2}{w}{w}{w}, Exile three white cards
from your hand