Prowling Serpopard

This spell can't be countered.
Creature spells you control can't be countered.

Steel Leaf Champion

Steel Leaf Champion can't be blocked by creatures with power 2 or less.

Llanowar Elves

Grothama, All-Devouring

Other creatures have "Whenever this creature attacks, you may have it fight Grothama, All-Devouring."
When Grothama leaves the battlefield, each player draws cards equal to the amount of damage dealt to Grothama this turn by sources they controlled.