First printed in Murders at Karlov Manor (2024)

Thinking Cap

Artifact — Equipment

Equipped creature gets +1/+2.
Equip Detective 1 generic
Equip 3 generic (: Attach to target creature you control. Equip only as a sorcery.)

"I find that my greatest insights rarely arrive when my ears are cold."
—Senior Inspector Holjo

Legality

Legal in: Standard, Pioneer, Modern, Legacy, Vintage, Pauper, Future Standard, Historic, Timeless, Penny Dreadful, Gladiator, Commander, Duel Commander, Pauper Commander, Tiny Leaders, Oathbreaker, Brawl, Standard Brawl, Competitive Brawl
Not legal in: Alchemy, Premodern, Old School 93/94, PreDH

MTGO price: 0.002 TIX, the cheapest non-foil print (average sell price on GoatBots, 1 Nov 2026).

Win rates of Thinking Cap in Limited
Set	GIH WR	vs set	IWD	Games
Murders at Karlov Manor (MKM), Premier Draft	50.5%	-4.5	-4.5	31038
Murders at Karlov Manor (MKM), Sealed	48.7%	-5.8	-4.0	1359

Set

GIH WR

vs set

IWD

Games

Murders at Karlov Manor (MKM), Premier Draft

50.5%

-4.5

31038

Murders at Karlov Manor (MKM), Sealed

48.7%

-5.8

-4.0

1359