Enduring Renewal | Deathrender | Arcbound Ravager

Cards

All permanents on the battlefield (
Deathrender attached to a nontoken creature you control).

Activate
Arcbound Ravager by sacrificing the creature with
Deathrender attached.
When the creature dies,
Enduring Renewal and
Deathrender trigger.
Resolve the
Enduring Renewal trigger, returning the creature from your graveyard to your hand.
Resolve the
Deathrender trigger, putting the creature from your hand onto the battlefield, and attaching
Deathrender to it.
Resolve the
Arcbound Ravager ability, putting a +1/+1 counter on it.
Repeat.