The first ability is a ramp ability, which gives you the necessary resources to play creatures from your hand and gain you life in the process
They thin the deck and allow the build to be more focused
Cards like Black Lotus, for example, which generate three mana for zero investment, offer an unparalleled tempo advantage that defines the pinnacle of the MTG power level
So long as you can protect them, if your opponents care about cards entering the battlefield and dying, your opponents theme can be completely nullified, leaving them helpless
She's an aggressive reanimator Commander who chucks cards into your graveyard and then gives you the capacity to bring them to the battlefield for two mana, provided their power is three or less
If it's legal in the format you're playing, and your deck includes white, there's a pretty good chance that you'll want as many copies of Path To Exile as you can fit