It guarantees Everybody Lives
The first time I played Final Fantasy IX , I got through the whole first disc and then got pulled into something else instead
Sab-Sunen, Luxa Embodied One of the most powerful cards from the set and also one of the most enigmatic ones, Sab-Sunen, Luxa Embodied is a tough nut to crack
It helps that the main party commanders, Nalia de'Arnise and Burakos, Party Leader are both rogues, but a deck lead by either of these still want a healthy number of additional rogues present in the 99/98
The enters trigger destabilizes your opponent and lifelink either stabilizes you against aggro or lets you win the race
For example, almost every Blue-based control deck has access to Castle Vantress, which provides an easy way to trigger Council Deliberations graveyard ability at very little cost