Placidusax, Kin to All

Flying
At the beginning of your end step, if creatures you control have total toughness 10 or greater, draw a card. Then, if creatures you control have total toughness 20 or greater, untap each creature you control. Then if creatures you control have total toughness 40 or greater, each opponent loses half their life, rounded up.

The Dragonlord whose seat lies at the heart of the storm beyond time is said to have been Elden Lord in the age before the Erdtree.