Cackling Observer

#9 - Alchemy: Murders at Karlov Manor - [YMKM]
More about « Gabor Szikszai »

Flying
When Cackling Observer enters, target opponent reveals each nonland card in their hand. You choose one of those cards and exile it.
When Cackling Observer leaves the battlefield, the exiled card’s owner seeks a nonland card with lesser mana value than the exiled card.

YMKM · EN Gabor Szikszai