Mirko, Obsessive Theorist is a mythic Legendary Creature — Vampire Detective card from Magic: The Gathering (Murders at Karlov Manor Commander, MKC).
Mythic
Murders at Karlov Manor Commander (MKC)
{1}{U}{B}
Power / Toughness
1 / 3
Mana Value
3
Colors
B
U
Card Text
Flying, vigilance
Whenever you surveil, put a +1/+1 counter on Mirko.
At the beginning of your end step, you may return target creature card with power less than Mirko's from your graveyard to the battlefield with a finality counter on it. (If it would die, exile it instead.)