They serve to give your side of the board tempo by allowing your creatures to attack (removing defenders), giving you more time to set up the board (removing attackers/expensive creatures), and allow for combat tricks (saving your creatures after damage is on the stack
You'll know these cards by the Planeswalker symbol located in the lower-left corner: As we covered in our first look at the set, The Lord of the Rings: Tales of Middle-earth cards will be legal in Modern, Legacy, Vintage, and Commander
Engle This demon tribal Be'lakor, the Dark Master deck will make you an absolute threat to the rest of the table
Its a redundant piece worth running, though
With trample, the difference between the trampling creature's strength and the blocking creature's toughness is dealt to the opponent
At turn 3 and 4, the choices you make can win or lose the game