Soraka, The Starchild

Defender
When Soraka enters the battlefield, each player may recieve {x} life where {x} is the cost to cast Soraka.
Soraka's power and toughness is equal to the total amount of life given to each player.
{w}{t}, Soraka put a -1/-1 counter on Soraka and give target player 2 life.
To heal and protect.