Hedgewitch's Mask
Artifact — Equipment
Equipped creature gets +1/+1.
Equipped creature can't be blocked by creatures with power 4 or greater.
Equip 
(: Attach to target creature you control. Equip only as a sorcery.)
In Kessig, even celebration wears a fearsome face.
Ovidio Cartagena
Rulings
The blocking restriction is applied only when blockers are declared. Once a creature equipped with Hedgewitch's Mask becomes blocked by a creature with power less than 4, increasing that creature's power won't cause the equipped creature to become unblocked.
(wotc • 2021-09-24)
Rulings
The blocking restriction is applied only when blockers are declared. Once a creature equipped with Hedgewitch's Mask becomes blocked by a creature with power less than 4, increasing that creature's power won't cause the equipped creature to become unblocked.
(wotc • 2021-09-24)