Helumncra of Reckoning

Haste, Trample
When Helumncra of Reckoning enters the
battlefield. Destroy all artifacts and create that
many 0/0 red elemental creature tokens, with
power and toughness equal to the amount of
artifacts destroyed.
Elemental creatures with power 4 or greater get
+1/+1 at the beginning of your end step.