Yevgeny Nightcreeper

Hexproof.
Opponents can only cast artifacts of mana value 3 or grater in their post-combat main phase. Abilities of artifacts with mana value 3 or greater can only be activated during a pre-combat main phase.

"Long ago, we were the most loyal and cunning Battle
Mages to pledge our wands to the House of Drake.
We served Vladan Drake until we fell in the great
wars. Now we serve his son in our afterlife."