Lanira, Devestation Foretold

Vigilance, Indestructible, Deathtouch.
At the beginning of your upkeep, Lanira, Devastation Foretold gets X +1/+1 counters Where X is Lanira's Power.
At the beginning of your combat phase,
Bolster IV(Choose a creature you control with the least toughness or tied for least toughness among creatures you control. Put N +1/+1 counters on that creature.)
At the beginning of each end step, each opponent loses 3 life.