A 2-drop that provides card advantage and triggers effects from creatures like Scourge of Valkas is excellent
If all that you care about is winning, sure
The sheer value you can generate from creatures that enter the battlefield, drawing cards, and playing extra lands snowballs at an incredible pace, which can make even a round or two of Chulanes shenanigans too much for the rest of the table to compete against
The second is a 1/2 for the same cost as the first and this will drain a life from each foe when a dork or planeswalker you control dies
Are prerelease cards legal for tournament play
But its cards like Bandits Talent, Hostile Investigator, Rankles Prank and Aclazotz, Deepest Betrayal cards which exert pressure on the opponents life total and boardstate which are most important