Nim Abomination

At the beginning of your upkeep, tap this creature unless you pay 2 life.

Flying

At the beginning of your end step, if an opponent lost life this turn, put a +1/+1 counter on this creature. (Damage causes loss of life.)

At the beginning of your end step, if a creature died this turn, create a tapped token that's a copy of this creature.

Flying

At the beginning of your end step, if you gained or lost life this turn, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

Menace

At the beginning of your end step, if you descended this turn, put a +1/+1 counter on this creature. (You descended if a permanent card was put into your graveyard from anywhere.)

At the beginning of your end step, if you discarded a card this turn, transform this creature.