Ethereal Haze

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

Awe Strike

The next time target creature would deal damage this turn, prevent that damage. You gain life equal to the damage prevented this way.

Prevent all damage a source of your choice would deal this turn.

{T}: Add {C}. If you control an Urza's Mine and an Urza's Power-Plant, add {C}{C}{C} instead.

{T}: Add {C}. If you control an Urza's Power-Plant and an Urza's Tower, add {C}{C} instead.

Prevent all combat damage that would be dealt this turn.

{1}, {T}, Sacrifice Chromatic Star: Add one mana of any color.
When Chromatic Star is put into a graveyard from the battlefield, draw a card.

{1}, {T}, Sacrifice Chromatic Sphere: Add one mana of any color. Draw a card.

{T}: Add {C}. If you control an Urza's Mine and an Urza's Tower, add {C}{C} instead.