Pazot, The Merciful

Trample
Whenever damage from a source that you control would kill an opoonent's creature, instead return that creature to its owner's hand. Then Pazot, The Merciful gets 1 mercy counter.
At the beginning of your upkeep, gain 1 life for every mercy counter on Pazot, The Merciful. Then draw a card for every 5 mercy counters of Pazot, The Merciful.