Felix/Ferris

Lifelink {T}{X}: You gain X life. {T}{X}: Target creature gets +0/+X until your next turn. {T}, Pay X life: Deals X damage to target creature. If that creature dies this turn, exile it instead. {T}{U}{U}{U}{U}: Return target creature card from a graveyard to the battlefield under your control. {U}{U}{U}{U}: If Felix/Ferris is in your graveyard, return him to the battlefield.