Nicolai, Rider of Midnight

Trample, Menace, Horsemanship

When Nicolai enters, create a legendary colorless equipment artifact named Scourge of Day with "Equipped Creature has Deathtouch and Reach" "Whenever Equipped Creature deals combat damage to a player, that player loses 5 life and discards 2 cards" and equip {3}
If this creature is equipped, it has indestructible