Life Converter

Life Converter enters tapped.
{2}{p/c}:Tap Life Converter.

You may choose not to untap Life Converter during your untap phase.
Life Converter gains 2 counter if it is tapped during your upkeep. When Life Converter untaps, deal damage equal to it's counters to target creatures you control spread out evenly then remove all it's counters. Gain life equal to the amount of total toughness of all creatures that died this way.