More mana means you can play bigger spells like Etali, Primal Conqueror or have a bigger value for X like with Zoanthrope
If only we had checked sooner
However, there are potentially better cards like Revitalize, which also costs 2 mana but provides instant speed life gain and card draw without the need for a specific color requirement, making it more versatile in different deck archetypes
Once activated, Kuma also gains +2 cost until the end of your opponents next End Phase, effectively functioning as an 8-cost body that dodges many common removal thresholds
Instead, it offers a new level of depth that MTG players can play with whenever they want to without disrupting the core game
The following rulings focus on what it means if your life total can't change Spells and abilities that would normally cause you to gain or lose life still resolve while your life total can't change, but the life-gain or life-loss part simply has no effect