what agent has the most potential to influence the outcome of a game when mastered? i am new to valorant and love difficult but rewarding characters in other games.

So i just finished a game and 3 people intsalocked jett raze and reyna so i thought "oh i might just dodge and take the 1 hour cooldown" but i just picked cypher (my main atm) and the other player picked omen, so we got into the game and we...