Lamby, Eternal Hypnagogue

0: Give a sleep counter to one of your creatures and one of your opponent's creatures. A creature is pacified if they have 3 or more sleep counters.
+3: Give three sleep counters to a creature you control. A player can remove a sleep counter by tapping the creature with a sleep counter on it.
+1: Remove all sleep counters from opponents, gain that much life rounded down. A creature can't have more than 3 sleep counters.