The Eruption of Valakut

The Eruption of Valakut Deal X damage to
any target it loses shroud, hexproof and indestructible, if a creature died from this effect
exile it instead. If X was 3 or more this card
cannot be countered, if X was 5 this card's
damage cannot be prevented or countered. If X
was 7 more this card cannot be countered the
damage cannot be prevented and put two 3/1 red elemental creature tokens with haste onto the battlefield, sacrifice the tokens at the end of your
turn