As fantasy basketball playoffs approach, maximizing your roster through the waiver wire becomes crucial. The article outlines the key players to target for Week 18 across different league sizes. For standard leagues, players like Stephon Castle and Scoot Henderson are gaining traction due to improved performances, while Bol Bol stands out on a struggling Phoenix team. Deeper leagues should keep an eye on Nickeil Alexander-Walker and Day'Ron Sharpe, both showing potential with increased minutes. The weekly game schedule is pivotal for setting lineups effectively, especially with teams playing 3-4 games.