Vitu-Ghazi Inspector (Murders at Karlov Manor)

Creature Ñ Elf Detective - As an additional cost to cast this spell, you may collect evidence 6. (Exile cards with total mana value 6 or greater from your graveyard.)
Reach
When this creature enters, if evidence was collected, put a +1/+1 counter on target creature and you gain 2 life.