Afterlife Motivation

All creatures with +1/+1 counters have
First Strike, Must attack each turn if able, and the following ability:
Whenever this creature destroys another creature,
gain a +1/+1 counter.
{c}{c}{t}: Draw until you draw a card named Last Genocide, then put
all creature cards drawn this way in your graveyard, and the rest on the bottom of library in any order.
Sacrifice Afterlife Motivation.