It forces the issue at some point, faster than a typical group hug deck
The biggest reason to support Reanimator is for those games where you just demolish your opponent
It used to rot in my trade binder when I was your age, so take good care of it. The Water Crystal The Water Crystal wouldnt be my first choice for a win condition, but hey, if the format is actually slow enough you could maybe attempt it
While she grants lifegain incidentally and may take some of the lifegain payoffs as a result, her decklist wont really go in that direction long-term
Some important info to care about is the mana curve and the card type distribution, as it can help us understand better our deck and may indicate where there is space for improving it
If you need a small creature that starts generating Rabbits on attack, Jacked Rabbit is your creature