Mr. Clean, The Ever Grateful

this spell can't be countered
Menace, Trample, Vigilance, Lifelink
{x}{1}{t} destroy X creatures you gain 3 life for each creature destroyed this way. if x is 10 or more you gain 15 life in addition to what you would normally receive.
{u}{b}{w}{u}{b}{w}{5}{t} sacrifice Mr. Clean, The Ever Grateful all creatures destroyed by Mr. Clean are put onto the battlefield tapped with three +1/+1 counters on them. you gain five life.