Jorubai Murk Lurker
{2}{U}
Creature -- Leech
1/3
~this~ gets +1/+1 as long as you control a Swamp.
{1}{B}: Target creature gains lifelink until end of turn. (Damage dealt by the creature also causes its controller to gain that much life.)
Vizkopa Guildmage
{W}{B}
Creature -- Human Wizard
2/2
{1}{W}{B}: Target creature gains lifelink until end of turn.
{1}{W}{B}: Whenever you gain life this turn, each opponent loses that much life.