Farkas, Shield-Brother

Trample, Menace
Whenever Farkas, Shield-Brother attacks, it gets
+1/+1 until end of turn for each creature your opponent controls. If a creature blocked or
blocking Farkas, Shield-Brother would die,
destroy target artifact or enchantment.
At the beginning of your end step, if a creature
died this turn, transform Farkas, Shield-Brother.