Sylvia, Blamed for All

Partner with Sariel, Loyal to One, lifelink
{g/u}{g/u}{t}; If Sariel, Loyal to One is in your
hand you may cast it without paying its mana cost
{g/w}{g/w}{ut};Return Sariel, Loyal to One from
the battlefield to your hand. You may only use
this ability if Sariel is on the battlefield.
{x}{w/u}; You gain X life, each opponent may choose
to gain X, if they do you draw a card and put a
land from your hand onto the battlefield, each
person who docent, discards a card and
sacrifices a land