Blissey

At first glance, Blissey seems like a complete downgrade from its pre-evolution Chansey, as its bulk noticeably suffers without the Eviolite. However, Blissey improves its longevity through Leftovers. This is notable for changing Blissey's relationship with common sources of passive damage. For instance, while double switches wear down Chansey with the support of entry hazards, the same sequences are less punishing for Blissey, which has Leftovers to limit passive damage. Despite Leftovers' recovery, Blissey's reduced bulk without Eviolite means that it sustains more chip damage from direct attacks. This means that attacks like Mega Alakazam's and Mega Charizard-Y's Focus Blast force it to use Soft-Boiled, given how it fears a 3HKO, giving foes like Excadrill free opportunities to switch in. Protect proves useful by scouting attacks from threats like Choice Band Tyranitar and Weavile, giving Blissey greater security against common trappers that can more easily chip Chansey. Like Chansey, Blissey can be a momentum drain, requiring turns to heal itself and lacking immediate offensive pressure against the threats that often switch into it. Though the two are comparable, Blissey’s Leftovers help mitigate passive damage over time, while Chansey’s superior bulk makes it a sturdier switch to more of the tier. If the team can handle the decreased bulk, Blissey's unique resilience with Leftovers makes it a viable alternative to Chansey that still functions as a powerful answer to special attacking threats.