Murders at Karlov Manor: Behind the Mask

Edition:	Murders at Karlov Manor
Type:	Instant
Cast:
Rarity:	C
Collector #:	0039
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.) Until end of turn, target artifact or creature becomes an artifact creature with base power and toughness 4/3. if evidence was collected, it has base power and toughness 1/1 until end of turn instead.