Ethereal Haze

Prevent all damage that would be dealt by creatures this turn.

Prevent all combat damage that would be dealt this turn.

Prismatic Strands

Prevent all damage that sources of the color of your choice would deal this turn.
Flashback—Tap an untapped white creature you control. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Holy Day

Pacifism

Enchant creature
Enchanted creature can't attack or block.

Fog of War

You gain 1 life for each creature on the battlefield. Prevent all combat damage that would be dealt this turn by creatures with power 3 or less.