Torin, Renegade Knight

Trample, Evolve- Whenever a creature you control with greater power enters, put a +1/+1 counter on this creature

Landfall- Whenever a land you control enters Torin deals 1 damage to any target

Whenever Torin attacks you may pay {x}{x} where X is
Torin's power, if you do Torin deals damage equal to his power to all other creatures, remove all of his counters, then gains a +1/+1 counter for each creature killed by this ability